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Gerry Stahl, Angela Carell. Kommunikationskonzepte. In Jörg M. Haake, Gerhard Schwabe, Martin Wessner, editors, CSCL-Kompendium. Lehr- und Handbuch zum computerunterstützten kooperativen Lernen. pages 229-237, Oldenbourg, 2004.
Abstract is missing.