D. Li, and R. Muntz. CSCW '98: Proceedings of the 1998 ACM conference on Computer supported cooperative work, page 179-188. New York, NY, USA, ACM Press, (1998)
C. Sun, and C. Ellis. CSCW '98: Proceedings of the 1998 ACM conference on Computer supported cooperative work, page 59-68. New York, NY, USA, ACM Press, (1998)
H. Shen, and C. Sun. CSCW '02: Proceedings of the 2002 ACM conference on Computer supported cooperative work, page 77-86. New York, NY, USA, ACM Press, (2002)
S. Benford, D. Snowdon, A. Colebourne, J. O'Brien, and T. Rodden. GROUP '97: Proceedings of the international ACM SIGGROUP conference on Supporting group work, page 71-80. New York, NY, USA, ACM Press, (1997)