C. de Souza, S. Quirk, E. Trainer, and D. Redmiles. GROUP '07: Proceedings of the 2007 international ACM conference on Conference on supporting group work, page 147--156. New York, NY, USA, ACM, (2007)
M. Prilla, and C. Ritterskamp. Proceedings of COOP’06. Cooperative System Design. Seamless Integration
of Artifacts and Conversations - Enhaced Concepts of Infrastructure
for Communication, IOS Press, Amsterdam, Netherlands, (April 2006)
J. Biehl, M. Czerwinski, G. Smith, and G. Robertson. CHI '07: Proceedings of the SIGCHI conference on Human factors in computing systems, page 1313--1322. New York, NY, USA, ACM Press, (2007)
A. Imine, P. Molli, G. Oster, and M. Rusinowitch. Proceedings of the 8th European Conference on
Computer-Supported Cooperative Work (ECSCW 2003), Helsinki, Finland, ACM, (September 2003)