- German interpretion of the "Not your father's collaboration" article from accenture
- They analyze new ways for communication and present a new type of portfolio (awareness - reach)
- Social Sixth Sense through Twitter
- Handbook of Research on Social Software and Developing Community Ontologies, page 493-511. Information Science Reference, (2009)
- EPIC 2008, Ethnographic Praxis in Industry Conference, page 58-72. (2008)
- Virtuelle Organisation und Neue Medien 2008, page 161-176. (2008)
- New York Times (September 2008)
- Presentation, (October 2008)
- CSCW '98: Proceedings of the 1998 ACM conference on Computer supported cooperative work, page 275--284. New York, NY, USA, ACM, (1998)
- SIGGROUP Bull. 24(3):103--116 (2003)
- Proc. Multikonferenz Wirtschaftsinformatik 2008, München, (February 2008)
- Computer Supported Cooperative Work CSCW 11(3):285--298 (September 2002)
- Computer Supported Cooperative Work CSCW 6(2):135--156 (June 1997)
- HCI '96: Proceedings of HCI on People and Computers XI, page 281--298. London, UK, Springer-Verlag, (1996)
- CHI '96: Conference companion on Human factors in computing systems, page 208--209. New York, NY, USA, ACM, (1996)
- Interacting with Computers 18(1):21--46 (January 2006)


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