@inproceedings{HCI-CC-1997-PaulD,
	author        = "Hansjürgen Paul and Stephan Dutke",
	booktitle     = "{Proceedings of the Seventh International Conference on Human-Computer Interaction. Volume 1: Cognitive Considerations}",
	isbn          = "0-444-82183-X",
	pages         = "281--284",
	publisher     = "{Elsevier}",
	title         = "{Privacy and Acting in Groups-Key Concepts in Designing Multimedia-Supported Cooperative Work}",
	year          = 1997,
}