1. Derycke, A. Kaye, A.: Participative modelling and design of collaborative learning tools in the CO-LEARN project. In G. Davis, B. Samways (eds), IFIP, Teleteaching 93 Conference, Trondheim, August 20–25, North-Holland, Amsterdam (1993) 191–200
2. Derycke, A.: Integration of the learning processes into the Web: Learning Activity Centred Design and Architecture. Webnet’98 conference, invited conference, Orlando, FL, (1998)
3. Viéville, C.: An Asynchronous Collaborative Learning System on the Web. The Electronic University, Springer Verlag, “ ”, the CSCW series (1998) 99–113
4. Suchman, L.: Plans and Situated Actions. Cambridge University Press, Cambridge, UK (1987)
5. Lave, J. Wenger, E.: Situated learning: legitimate peripheral participation. Cambridge University Press, Cambridge, UK (1991)