Thierry Villemur Philippe Owezarski Michel Diaz N-TSVS: a Videoconference Tool for Generic Cooperative Groups. 102-111 1998 conf/mmm/1998 MMM https://doi.org/10.1109/MULMM.1998.722981 https://doi.ieeecomputersociety.org/10.1109/MULMM.1998.722981 db/conf/mmm/mmm1998.html#VillemurOD98