G. Stahl. Designing for Change in Networked Learning Environments. Proceedings
of the International Conference on Computer Support for Collaborative
Learning (June 14--18, 2003) in Bergen, Norway, Kluwer, Dordrecht, NL, (2003)
G. Stahl. Computer Support for Collaborative Learning: Foundations for a CSCL
Community. Procedings of CSCL 2002, Boulder USA, Jan. 7--11, Lawrence Erlbaum Associates, Hillsdale, USA, (2002)
R. Bergmann, and A. Stahl. Advances in Case-Based Reasoning, Proceedings of the 4th European Workshop on Case-Based Reasoning, EWCBRY98, Dublin, Ireland, page 25--36. Berlin, Springer-Verlag, (1998)