T. Herrmann, A. Nolte, und M. Prilla. International Journal on Computer-Supported Cooperative Work (IJCSCW). Special Issue on Awareness., (accepted for 2011)
{. Ignat, S. Papadopoulou, G. Oster, und {. Norrie. Proceedings of the 2008 ACM conference on Computer supported cooperative
work, Seite 659--668. San Diego, CA, USA, (2008)
M. Morris, K. Ryall, C. Shen, C. Forlines, und F. Vernier. Proceedings of the 2004 ACM conference on Computer supported cooperative
work, Seite 262--265. Chicago, Illinois, USA, ACM, (2004)