Selected Publications Computer-Supported Collaborative Learning Wessner, Martin (2005). Kontextuelle Kooperation in virtuellen Lernumgebungen, Lohmar, Eul, 2005. Mühlpfordt, Martin; Wessner, Martin (2005). Explicit Referencing In Chat Supports Collaborative Learning. Proceedings CSCL 2005, May 30 - June 4, 2005, Taipei, Taiwan. Haake, Jörg M., Schwabe, Gerhard, Wessner, Martin (Eds.) (2004). CSCL-Kompendium. Lehr- und Handbuch zum computerunterstützten kooperativen Lernen. Oldenbourg. Wessner, Martin; Dawabi, Peter; Fernández, Alejandro (2003). Supporting Face-To-Face Learning With Handheld Devices. Proceedings of CSCL 2003, pp. 487-491, Kluwer. Wessner, Martin; Dawabi, Peter; Haake, Jörg M. (2002). L3 - An Infrastructure for Collaborative Learnflow. Proceedings CSCL 2002, pp. 698-699, Hillsdale, Erlbaum.  Wessner, Martin; Pfister, Hans-Rüdiger (2001). Group Formation in Computer-Supported Collaborative Learning. Proceedings ACM Group 2001, pp. 24-31, ACM Press. Wessner, Martin; Pfister, Hans-Rüdiger (2000). Points of Cooperation: Integrating Cooperative Learning into Web-Based Courses. Proceedings NTCL2000, The Int. Workshop for New Technologies for Collaborative Learning. Hyogo, Japan, pp. 33-41, 2000  Wessner, Martin; Pfister, Hans-Rüdiger; Miao, Yongwu (1999). Using Learning Protocols to Structure Computer-Supported Cooperative Learning. Proceedings ED-MEDIA 1999, pp. 471-476, AACE. Pfister, Hans-Rüdiger; Wessner, Martin; Beck-Wilson, Jennifer; Miao, Yongwu; Steinmetz, Ralf (1998). Rooms, protocols, and nets: Metaphors for computer supported cooperative learning of distributed groups. Proceedings ICLS 1998, pp. 242-248, AACE. Community Analysis Kienle, Andrea; Wessner, Martin (2006). The CSCL Community in its First Decade: Development, Continuity, Connectivity. In: International Journal of Computer-Supported Collaborative Learning (ijCSCL), Vol. 1, No. 1, pp. 9-33, 2006  Kienle, Andrea; Wessner, Martin (2006). Analysing and Cultivating Scientific Communities of Practice. International Journal of Web Based Communities (IJWBC), 2006    Prof. Dr. Martin Wessner