N. Glance, D. Pagani, и R. Pareschi. CSCW '96: Proceedings of the 1996 ACM conference on Computer supported cooperative work, стр. 180--189. New York, NY, USA, ACM Press, (1996)
W. Prinz, и S. Kolvenbach. CSCW '96: Proceedings of the 1996 ACM conference on Computer supported cooperative work, стр. 199--208. New York, NY, USA, ACM Press, (1996)
R. Medina-Mora, T. Winograd, R. Flores, и F. Flores. CSCW '92: Proceedings of the 1992 ACM conference on Computer-supported cooperative work, стр. 281--288. New York, NY, USA, ACM Press, (1992)