A. Girgensohn, и A. Lee. CSCW '02: Proceedings of the 2002 ACM conference on Computer supported cooperative work, стр. 136-145. New York, NY, USA, ACM Press, (2002)
M. Morris, K. Ryall, C. Shen, C. Forlines, и F. Vernier. CSCW '04: Proceedings of the 2004 ACM conference on Computer supported cooperative work, стр. 262-265. New York, NY, USA, ACM Press, (2004)
A. Larsson. GROUP '03: Proceedings of the 2003 international ACM SIGGROUP conference on Supporting group work, стр. 153-160. New York, NY, USA, ACM Press, (2003)
M. Zacklad. GROUP '03: Proceedings of the 2003 international ACM SIGGROUP conference on Supporting group work, стр. 190-197. New York, NY, USA, ACM Press, (2003)