ACM - affordances
Jian Sun
Holger Regenbrecht
Towards a Pan-European Telecommunication Service Infrastructure -- IS&N '94, Kugler et al
Proceedings of User Interface and Software Technology (UIST 99)
Session Initiation Protocol (SIP) Evolution in Converge Cmmunications
Collaboration awareness in support of collaboration transparency: requirements for the next generation of shared window systems
the International Workshop on Stereoscopic and Three Dimen-sional Imaging (IWS3DI), 229--234
An Empirical Study