S. Dustdar, H. Gall:
"Mobile and Distributed Collaboration in Virtual Communities";
Talk: IFIP Conference on Infrastructures of Virtual Enterprises (PRO-VE), Sesimbra, Portugal; 2002-05-01 - 2002-05-03; in: "Proceedings of the 3rd IFIP Conference on Infrastructures of Virtual Enterprises (PRO-VE)", Kluwer Academic Publishers, (2002).