Informationsgestaltung
Angela Colter hat in ihrem Vortrag Methoden für das Testen von Texten auf Lesbarkeit und Verständlichkeit vorgestellt und ein wenig über ihre Erfahrungen mit diesen berichtet. Find out what users understand, not what they say they understand.Cued responseEine einfache Methode für die Prüfung der Verständlichkeit eines Textes ist das inhaltliche... Weiterlesen
Caroline Jarrett hat in ihrem Vortrag ein paar interessante Tipps für die Gestaltung und Evaluierung von komplexen Formularen gegeben: EvaluierungTry a replay study where users go back over a complex form with you.Komplexe Formulare lassen sich nicht gut über Fragebögen evalieren. Sie empfiehlt die Durchführung einer Feldstudie in der Anwender... Weiterlesen
Mal wieder ein richtiges schönes TED-Video: Gary Flake zeigt eine coole Demo zu Informationsvisualierung und Web Exploration: Siehe auchGary Flake: is Pivot a turning point for web exploration?... Weiterlesen
Screenshot: rdlinteraction.com Ryan Lee hat eine Icon-Set namens "Gesturecons" veröffentlicht, was beim Entwurf von Multitouch-Wireframes hilfreich sein kann: I started to look at wire-frame/ design approaches for this type of design and could not find a good visual language that would help me describe to clients how their interfaces... Weiterlesen
J. Logan Olson vom Institute For Creative Technologies (University of Southern California) präsentiert auf Youtube einen interessanten Prototyp auf Basis von Microsoft Surface mit dem sich Flowcharts erstellen lassen:... Weiterlesen
Patrick Baudisch stellt in diesem Video eine beeindruckende Idee für die Lösung des "fat finger"-Problems bei Multitouch-Oberflächen vor. Das Video ist zwar schon ein bisschen älter - aber immer noch sehr cool. Patrick Baudisch hat diese und ein paar andere Ideen für Multitouch-Interfaces auch im letzten Jahr in seinem Vortrag... Weiterlesen
Auf Channel 9 gibt es ein interessantes Video zur Oberflächengestaltung von Windows 7 zu sehen. Darin erklärt Denise Trabona (Senior UX Lead, Windows Design & Research) die gestalterischen Ziele des Standard-Desktopthemes und wie der Standard-Desktophintergrund entstanden ist. Interessante Details: der Desktophintergrund von Windows 7 wurde von Chuck Anderson gestaltet und... Weiterlesen
Die grafische Visualisierung von Daten gewinnt wegen der neuen technischen Möglichkeiten nun auch bei Softwarebedienoberflächen zunehmend an Bedeutung. Dass zur Visualisierung nicht nur große Geschäftsgrafiken in Berichten oder Auswertungen eingesetzt werden können, zeigt ein Ansatz von Edward Tufte. Er beschreibt in seinem Buch „Beautiful Evidence“ wie sich mit Miniatur-Grafiken –... Weiterlesen
Nette Überarbeitung bzw. Erweiterung der Desktop-Metapher. Allerdings würden mir die Dokumentennamen schon fehlen ... naja ist halt noch ein Prototyp ;-)... Weiterlesen
Auf youtube findet sich diese anschauliche Darstellung der Herausforderungen im Information Retrieval.... Weiterlesen
Nicht ganz neu, aber großartig :-)... Weiterlesen
Screenshot: blogs.msdn.com/astrauss/ Alexander Strauss hat auf seinem Blog einen Artikel über ein Visualisierungswerkzeug auf Basis von Silverlight veröffentlicht. Die Visualisierungsform ist nicht wirklich aufregend, da es eine herkömmliche und etwas wuselige Darstellungsform für Informationsnetze ist. Interessant ist aber das dieses Visualisierungstool zusammen mit Visio verwendet werden kann und dass... Weiterlesen
Screenshot: tools.google.com Wer schon immer mal herausfinden wollte, welche Zusammenhänge es in der Welt gibt, sollte mal den Google Gapminder ausprobieren. Zum Beispiel läßt sich damit der Zusammenhang von Fruchtbarkeit und Telefonnutzung mit Hilfe eines Diagramms analysieren. Nicht immer sind die Kombinationen sinnvoll, aber die Anwendung insgesamt ist echt... Weiterlesen
Screenshot: Screenshot von http://labs.live.com/Seadragon.aspx Blaise Aguera y Arcas hat auf der TED2007 ein sehr beeindruckendes Werkzeug zur Visualisierung von großen Datenmengen (Bilder, Text, usw.) vorgestellt. Using photos of oft-snapped subjects (like Notre Dame) scraped from around the Web, Photosynth creates breathtaking multidimensional spaces with zoom and navigation features that... Weiterlesen
Design Council London hat eine interessante Sammlung von Gestaltungswerkzeugen und -methoden zusammengestellt und veröffentlicht: A collection of easy-to-use design tools, methods and processes for you to use and download.Siehe auch:Design Methods... Weiterlesen
Steve Baty hat auf uxmatters.com einen Artikel über die Rolle der Markenwahrnehmung und der Kommunikation von Markenwerten bei der Gestaltung von Bedienoberflächen für Softwareprodukte und Internetseiten veröffentlicht: Much has been written in the past decade about the importance of usability and the user experience to customers’ perception of an organization’s... Weiterlesen
In einem Artikel auf uie.com gibt Joshua Porter eine kurze Einführung in die Probleme der hierarchische Organisation von Informationen (Taxonomie) und stellt einen - mittlerweile fast schon weitverbreiteten - anwenderorientierten Lösungsansatz vor, bei dem die Anwender die Informationen eines Systems selbst organisieren (Folksonomie): Although taxonomies are common, it can be... Weiterlesen
(Screenshot: uxmatters.com) Matteo Penzo gibt auf uxmatters.com einen Einblick in seine Untersuchungen zur Gestaltung von Formularen. Er untersuchte drei verschiedene Testfälle mit Hilfe von Blickverfolgung, um so Aussagen über die Positionierung und die Gestaltung einzelner Elemente eines Formulares treffen zu können. Interessanterweise kommt er zu dem Schluss, dass die... Weiterlesen
(Screenshot: joelamantia.com) Joe Lamantia beschreibt auf seinem Weblog 10 wiederverwendbare Vorgehensmuster für die Suche nach Information. Diese Muster beschreiben das Vorgehen einzelner Personen und basieren auf seinen vier Modi des Information Retrieval: seeking information visiting stable destinations monitoring notifications receiving delivered assets Siehe auch:Goal Based Information Retrieval Experiences 10... Weiterlesen
(Screenshot: web-blog.net) Marcus Völkel von Usability Inside über seine Erfahrungen mit den Begriffen Sitemap, Home und Homepage: "Vor Ewigkeiten (2001) führten die Argonauten in Zusammenarbeit mit Webmiles eine Wording-Studie durch, die sie »Klartext« nannten. Weniger als die Hälfte der befragten Personen kannte damals den Begriff »Sitemap«. Nicht repräsentativer Reality-Check... Weiterlesen
(Screenshot: boxesandarrows.com) At boxesandarrows.com Donna Maurer published an article about the modes of Seeking Information and gives some tips how to design for them: "In my work on intranets and complex websites, I noticed a range of situations where people didn’t necessarily know what they needed to know. Additionally,... Weiterlesen
(Screenshot: www.jeroenwijering.com/whatsup) Nice Informationgraphic about whats up in the world: "WhatsUp can be used as header on the website of a news agency or RSS aggregation service. It can be used on your PC as an active desktop or screensaver. Whatsup also works great as a wall projection at... Weiterlesen
(Screenshot: www.flickr.com/photos/bryce) Have a look at soldierant's information graphic about the importance of User Experience: "Frank Spillers, of Experience Dynamics saw my earlier Flickr diagrams and wanted to commission something similar with some general usability and user experience concepts." InternetverweisThe Importance of User Experience... Weiterlesen
(Screenshot: masternewmedia.org) Juan C. Dürsteler shows in his article at masternewmedia.org graphical possibilities to provide instant focus to selected information items in information visualizations: "One of the reasons why visualisation can be so powerful has its roots in the fact that there's a series of identification and recognition operations... Weiterlesen
At the latest issue of usability news A. Dawn Shaikh, Barbara S. Chaparro, and Doug Fox published a paper about the perception of fonts: "This study sought to determine if certain personalities and uses are associated with various fonts. Using an online survey, participants rated the personality of 20 fonts... Weiterlesen
(Screenshot: die-gesundheitskarte.de) Ein schönes Beispiel für Infografiken mit geringer Informationsdichte zeigt das Bundesministerium für Gesundheit zum Thema elektronischen Gesundheitskarte: "Ins Bild gesetzt: neue Infografiken zur elektronischen Gesundheitskarte. Wie die Speicherung von Notfalldaten und das elektronische Rezept in der Praxis funktionieren werden, zeigen unsere neuen Infografiken. Außerdem finden Sie eine... Weiterlesen
(Screenshot: pruned.blogspot.com) At Pruned I have found really nice maps made by Harold N. Fisk. "Harold N. Fisk's 1944 monumental tome on nature at its most mundane and sublime is, amazingly, available online and free. Landscape architects in every specialty have much to glean from it, not the least... Weiterlesen
Screenshot: uni-konstanz.de Michael Balzer and Oliver Deussen, University of Konstanz (Germany) published an paper about a new approach for the visualization of data with treemaps: "Treemaps are a well-known method for the visualization of attributed hierarchical data. Previously proposed Treemap layout algorithms are limited to rectangular shapes, which causes... Weiterlesen
In a case study of of personal development and internet searching Jarkko Kari dicuss the question: what does Internet searching have to do with personal development?"Personal development means that individuals improve their own abilities, skills, knowledge or other qualities by working on them. The paper reports on a qualitative case... Weiterlesen
Screenshot: feltron.com Nicolas Feltron published his own annual report of the year 2005. Nice information graphics tells us about personal activities e.g. how much itunes songs he played last year or how much digital photos he took. InternetverweisFeltron Seven... Weiterlesen
Screenshot: uxmatters.com Luke Wroblewski wrote an article about small multiple designs within a user interface: "Many software programs provide access to, and let users work with, large amounts of information. In addition to interactions that allow users to create, edit, and expand massive data sets, these information-rich applications must... Weiterlesen
Don Norman published some simple rules on writing an effective manual: "Is a manual important? Yes, but even more important is a well-designed product, one so well conceived and constructed that either the manual is not needed at all, or if it is, where the manual can be short, simple,... Weiterlesen
Screenshot: infosthetics.com infosthetics.com published an paper from Livnat, Agutter, Moon and Foresti (University of Utah) about the visual correlation for situational awareness: "We present a novel visual correlation paradigm for situational awareness (SA) and suggest its usage in a diverse set of applications that require a high level of... Weiterlesen
Screenshot: infosthetics.com "an interactive data visualization displaying the timeline of several textual conversations simultaneously, enabling the discovery of utterance lengths & specific reoccuring keywords. the application reads up to 10 different xml files that are stored by the MSN chat service, & generates a graphical display that allows to... Weiterlesen
Screenshot: squidoo.com Austin Govella, a senior information architect, published a collection of articles wich introduce you to information architecture: "Information architecture brings together how people think with how systems work. It's a strategy and a discipline. With information architecture covering so much territory, I've collected a few introductory articles,... Weiterlesen
Screenshot: tivoliaudio.com Linda Tischler about the beauty of simplicity: "Marissa Mayer, who keeps Google's home page pure, understands that less is more. Other tech companies are starting to get it, too. Here's why making things simple is the new competitive advantage. (...) It is innovation's biggest paradox: We demand... Weiterlesen
Screenshot: www.upassoc.org/upa_publications/jus In the latest issue of the journal of usability studies Mary Theofanos and Whitney Quesenbery published a paper about the design of effective formative test reports. "Many usability practitioners conduct most of their usability evaluations to improve a product during its design and development. We call these... Weiterlesen
Screenshot: selbr.de (2005-01-28) "GPSdiary.org is an online archive of an art project, in which artist Thorsten Knaub recorded his daily movements over the course of a year by carrying a Global Positioning System(GPS)receiver on him. The GPS utilises special satellites in the earths’ orbit to record any change of... Weiterlesen
Screenshot: infosthetics.com infosthetics.com found infographics about number spirals at numberspiral.com: "a website dedicated to the number spiral concept, which basically consists of a ribbon with non-negative integers placed along a ribbon which is rolled up with zero at its center. when all the prime numbers are highlighted, specific visual... Weiterlesen
Screenshot: doxpara.com Dan Kaminsky generated some infographics about the geographical extension of Sonys rootkit: "Sony. Sony has a rootkit. The rootkit phones home. Phoning home requires a DNS query. DNS queries are cached. It now appears that at least 568,200 nameservers have witnessed DNS queries related to the rootkit.... Weiterlesen
Screenshot: labs.google.com "an animated gif image generated by google labs that shows the google search query distribution in the world in 2003, animated over time." Internetverweisgoogle search activity map information aesthetics: google search activity map... Weiterlesen
Information graphic about how a designer grows - changes in a designer's self-worth/knowledge over time found at consumedaily.com. Screenshot: consumedaily.com Internetverweishow a designer grows... Weiterlesen
Screenshot: sfgate.com At sfgate.com you can find a infographic based on the chronicle's review of golden gate bridge. It shows suicides by location. "The Golden Gate Bridge is the world's No. 1 suicide magnet, in part because it makes suicide so easy. People jump and kill themselves there, an... Weiterlesen
Screenshot: virtualipo.schwitterdesign.ch Lukas Schwitter hat unter virtualipo.schwitterdesign.ch eine sehr schöne, wenn auch nicht gleich auf den ersten Blick benutzbare, interaktive Infografik VirtualIPO veröffentlicht. Die Infografik ist das Ergebnis seiner Diplomarbeit an der Hochschule für Gestaltung und Kunst Zürich: "VirtualIPO ist eine Analyse-Software zur Beobachtung der Entwicklung von Börsengängen am... Weiterlesen
Screenshot: visualcomplexity.com At visualcomplexity.com you can find a collection of over hundred information graphics about e.g. transportation networks, social networks, biology. The picture above shows the "Flight density during one week between international airports. From SD Magazine (Japan).". Internetverweisvisualcomplexity... Weiterlesen
Screenshot: handout, fig. 13 "how to facelift" Venkatesh Rajamanickam published a handout about informationgraphics at informationdesign.org: "I prepared this document as a handout to my October 2005 seminars on Infographic Design to the Visual Communications students at the National Institute of Design, Ahmedabad, and the Industrial Design Centre, Indian... Weiterlesen
Image: Ben Fry, Ph.D. dissertation The Ph.D. dissertation from Ben Fry, Computational Information Design, is online. Ben Fry is one of the initiators of processing - an open source programming language and environment: "The ability to collect, store, and manage data is increasing quickly, but our ability to understand... Weiterlesen
Screenshot: sozialpolitik-aktuell.de Nicht unbedingt schön, aber zahlreich: "Mehr als kostenlose 500 Info-Grafiken bietet die neue "Datensammlung Sozialpolitik" im Internetportal www.sozialpolik-aktuell.de des Instituts für Soziologie der Universität Duisburg-Essen. Professor Gerhard Bäcker: 'Damit bieten wir einen umfassenden Überblick über die soziale Situation und die Sozial- und Gesellschaftspolitik in Deutschland.'" (zu finden... Weiterlesen
Screenshot: Paper "The Structure of Collaborative Tagging Systems" Scott Golder and Bernardo A. Huberman from HP Labs published their paper "The Structure of Collaborative Tagging Systems" at the hp homepage. "Collaborative tagging describes the process by which many users add metadata in the form of keywords to shared content.... Weiterlesen
Thorsten Buering and Harald Reiterer showed their next generation scatter plot ZUIScat at the Mensch und Computer 2005 in Linz. abstract"ZUIScat is a visualization concept for querying large information spaces on Personal Digital Assistants (PDA). Retrieval results are presented in a dynamic scatterplot, which is enhanced by geometric and... Weiterlesen
Screenshot: headrush.typepad.com Kathy Sierra published an article about writing tech books at "creating passionate users". "The biggest problem with many tech books (and tech training) is indecision. When the author can't decide between creating a reference or learning book, they often try to do both. That rarely works. So... Weiterlesen
Screenshot: iainstitute.org At iainstitute.org you can find a collection of tools, templates und case studies for information architecture projects. "The Information Architecture Institute's Tools project aims to disseminate new IA tools from the community in order to learn from each other. Below you will find document templates, process map... Weiterlesen
Screenshot: www.infoverse.org carsten waldeck designed an interesting information visualization software: "the "liquid 2D scatter space" is one of the many visual interactive spaces (ispaces) of the "iworld" visualzation modules. it has it's greatest strength in comparing a lot of information objects at the same time by making it possible... Weiterlesen
Caroline Jarrett about Designing usable forms: the three-layer model of the form "If you want to create a usable form, the first step is to understand what a form is. By un-picking its elements, it is then possible to improve each aspect and put it back together in an improved... Weiterlesen
Screenshot: communication.org.au David Sless and Ruth Shrensky published a paper about Designing medicine information for people: an introduction to the course "Usable and safe medicines need usable medicine information. Medicines are information-dependent products; without information, medicines are unusable and potentially dangerous. If medicines are to be used safely and... Weiterlesen
Screenshot: akihabaranews.com aperto reported via akihabaranews.com: "NTT will release its Space Browser in October. This is a 3D browser in which the pages of the websites will be in 3D, so that the surfing experience is as "natural" as possible and the navigation through the structure of the website... Weiterlesen
Screenshot: primidi.com Roland Piquepaille wrote an article about a paper from researchers from Johns Hopkins University: "How is it possible that we perceive our world in 3D when our eyes only register 2D images? And how do we decide in a millisecond if something in front of us is... Weiterlesen
Screenshot: informationvisualization.typepad.com Weblog about informationvisualization of American Society for Information Science and Technology: "This weblog creates an informal forum for the American Society for Information Science and Technology, revitalized Special Interest Group in Visualization Images and Sound. It is a 'thinking space' and exploratorium for new ideas, collaborations, theory,... Weiterlesen
Screenshot: steptwo.com.au At steptow Iain Barker published an article about the effect of increasing the strength of information scents on a users ability to find specific informations. "Enabling people to find the specific information they require amongst the hundreds and thousands of other pieces of content available on a... Weiterlesen
Screenshot: turbulence.org "What does music look like? The Shape of Song is an attempt to answer this seemingly paradoxical question. The custom software in this work draws musical patterns in the form of translucent arches, allowing viewers to see--literally--the shape of any composition available on the Web. The resulting... Weiterlesen
Screenshot: aisquared.com Trenton Moss at usabilitynews.com about Web Accessibility for Screen Magnifier Users: "The needs of screen magnifier users are overlooked when implementing web accessibility on to a website. Screen magnifiers are used by partially sighted web users to increase the size of on-screen elements. Some users will magnify... Weiterlesen
Screenshot: headrush.typepad.com/creating_passionate_users/ Kathy Sierra about decision making: "No matter how enlightened and politically correct we've become, most people still tend to believe that when making decisions, men are less driven by emotions than women. Men use left-brained (metaphorically speaking) logical, rational thought. Men are persuaded to buy or act... Weiterlesen
Source: selbr.de (2005-01-28) Some reasons not to smoke illustrated with nice information graphics. UPDATEAt conbinibento.com you can find all illustrations from the Japan Tobacco "Smoking Manners" advertisements. found at: selbr.de: Kampagne in Tokio conbinibento.com: Japan Tobacco "Smoking Manners" advertisements... Weiterlesen
Michael J. Albers wrote an article about good software documentation and the techniques to create them. "To successfully communicate to users, documentation must do more than meet the user’s information needs, it must present the information in the same way the user processes the information. We can change appearances, but... Weiterlesen
screenshot: sendung.de Teile der deutschen Politik haben eine radikale Vereinfachung des Steuerrechts mit dem Argument gefordert, der Bürger müsse seine Steuererklärung auf einem Bierdeckel machen können. Marian Steinbach hat diese Thematik in seiner Diplomarbeit aus einem gestalterischen Blickwinkel betrachtet und sich mit der User Experience, Usability sowie der Informationsgestaltung... Weiterlesen
screenshot: interaction-ivrea.it "While we tend to make sure not to let things slide in professional environments because of the immediate repercussions, it's our soft life that exist away from structure which we often neglect, as the effect of our actions are less apparent. While we are very good at... Weiterlesen
screenshot: shirky.com Clay Shirky wrote a really interessting article about the problems of classifications: "Today I want to talk about categorization, and I want to convince you that a lot of what we think we know about categorization is wrong. In particular, I want to convince you that many... Weiterlesen
screenshot: albertocairo.com Alberto Cairo created a document about infographics for the Multimedia Bootcamp 2005 in the University of North Carolina at Chapel Hill. "It contains a brief introduction to infographics, its history and rules, and a discussion of several real cases of elmundo.es online special and breaking-news presentations." "This... Weiterlesen
Screenshot: nikeLab In der neuen i-com (1/2005, Seite 59) ist ein Artikel von Prof. Henseler über die neuen Formen von Internetseiten. Aus seiner Sicht ist die Methaper Internetseite längst veraltet "und stellt keine zeitgemäße Form der Informationspräsentation mehr dar. Vor allem nicht dann, wenn es um emotionale und erlebnisorientierte... Weiterlesen
Screenshot: nipponham.co.jp Information graphics on how to produce sausage sculptures. I hope that this is not a advertisement for nipponham sausages. related links:NipponHam Sausages... Weiterlesen
Source: lukew.com Luke Wroblewski wrote two interesting articles on the design of web application forms. He explains some basic design rules with great visual examples. Beside his weblog is a good ressource for interface designer. related links: LukeW: Web Application Form Design Expand> LukeW: Web Application Form Design... Weiterlesen
Source: animalsontheunderground.com Paul Middlewick spotted animals, wich where made up using tube lines, stations and junctions of the london tube map. He discovered the elephant during his daily journey to work. Now there is a website with a lot animals wich were discovered by others. related links: animals on... Weiterlesen
Source:medixtra.de If you need some good medical illustrations, have a look at medixtra. They offer some really nice illustrations. "MediXtra based in Nürnberg (Bavaria) is internationally acknowledged for medical illustrations, info graphics and elaborate cad animations (Broadcasting) of medical themes (business to business)." related links: Medixtra Infografikendienst (Mainwebsite, german)... Weiterlesen
Source: veerle.duoh.com Veerle Pieters shows in his latest article how to transfer bad graphics into suitable illustrations. Its a nice description of information design for beginners. related link: Interview at alan.blog-city.com... Weiterlesen
Source: nixlog.com Here is a great information graphic showing how Apple bring users to the platform by "by innovating increasingly towards the mass market over time without sacrificing the middle or high-end markets." related link: Nixlog... Weiterlesen
Source: ultrafonts.com Ultra Fonts offers clear truetype vector fonts for screen usage. Very small and readable. "Regular fonts become blurry at small sizes. This is a problem for legibility on digital devicess. Pixel fonts are crips, but ar blocky. Can text be pixel perfect and as smooth as print?... Weiterlesen
Screenshot, Source: mediatinker.com Kirsten McQuillin published this interesting articel about the History of Zero. Abstract:Once upon a time there was no zero. Of course people knew if they had nothing, but there was no mathematical notation for it. Zero was independently invented only three times. The first recorded zero... Weiterlesen
Screenshot, Source: sapdesignguild At SAP Designguild you can find an interesting section about optical illusions. Extract: Many of us have at least once come across optical illusions in our lifetime. Beside being fun to solve, optical illusions have the power to puzzle and bewilder because we have an implicit... Weiterlesen
Screenshot, Source: www.txtkit.sw.ofcd.com Extract:txtkit is an Open Source visual text mining tool for exploring large amounts of multilingual texts. It's a multiuser-application which mainly focuses on the process of reading and reasoning as a series of decisions and events. To expand this single perspective activity txtkit collects all of... Weiterlesen
Napoleons March In 1993 Thomas Knieper found out that the editorial staff of daily newspapers see the potential of information graphics as additional source of information. Most of the editors of the 78 editorial offices asked have a big interest in using information graphics to inform their readers. In... Weiterlesen
Screenshot, Source: http://kisd.de/~marian... Weiterlesen
Screenshot, Source: www.poynterextra.org In 1990 Pegie Stark Adam, The Poynter Institute showed with her Study on Newspaper Design that color is a powerful tool attraction the reader into the page and helping the eye travel from place to place. In addition, readers said that they liked color and they... Weiterlesen
na bitte. Die schönsten Begründungen dafür sich mit der Qualität von Infografiken auseinander zu setzen finden sich in:... Weiterlesen
Er hat es wieder getan. R.S. Wurman - der Herausgeber von "Understanding USA" - hat ein neues Buch randvoll mit Infografiken veröffentlicht.... Weiterlesen
Interessante Site mit Infografiken zur USA. R.S. Wurman bat verschiedene Informationsdesigner Fragen und deren Antworten in verständliche Infografiken darzustellen.... Weiterlesen