M. Steves, E. Morse, C. Gutwin, and S. Greenberg. Proc. of the 2001 International ACM SIGGROUP Conference on Supporting
Group Work, page 125--134. ACM Press, (2001)
M. Steves, E. Morse, C. Gutwin, and S. Greenberg. Proceedings of the 2001 International ACM SIGGROUP Conference on Supporting Group Work, page 125--134. ACM Press, (2001)