S. McNee, N. Kapoor, und J. Konstan. Proceedings of the 2006 20th Anniversary Conference on Computer Supported Cooperative Work, Seite 171--180. New York, NY, USA, ACM, (2006)
S. McNee, N. Kapoor, und J. Konstan. Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work, Seite 171--180. New York, NY, USA, ACM, (2006)