ACM - affordances
Andreas Girgensohn
Alison Lee
Proceedings of the 2002 ACM conference on Computer supported cooperative work - CSCW ’02
Groupwork close up: a comparison of the group design process with and without a simple group editor
The Evolution of Institutions for Collective Action
Designing Usability and Supporting Socialbilty, John Wiley & Sons, Inc
SocioTechnical Capital
Homesteading on the Electronic Frontier, HarperTrade, 1994
Are newsgroups virtual communities?