J. Herlocker, J. Konstan, und J. Riedl. CSCW '00: Proceedings of the 2000 ACM Conference on Computer Supported Cooperative Work, Seite 241--250. New York, NY, USA, ACM, (2000)
J. Herlocker, J. Konstan, und J. Riedl. Proceeding on the ACM 2000 Conference on Computer Supported Cooperative Work, (CSCW 2000), Seite 241-250. (Dezember 2000)Philadelphia, PA.