B. Choi, K. Alexander, R. Kraut, und J. Levine. Proceedings of the 2010 ACM conference on Computer supported cooperative work, Seite 107--116. New York, NY, USA, ACM, (2010)
B. Choi, K. Alexander, R. Kraut, und J. Levine. Proceedings of the 2010 ACM conference on Computer supported cooperative work, Seite 107--116. New York, NY, USA, ACM, (2010)