Next Generation Networks. Networks and Services for the Information Society 5th IFIP TC6 International Symposium, INTERWORKING 2000, Bergen, Norway, October 3-6, 2000 Proceedings - Rao, Sathya; Rao, Sathya; Sletta, Kaare I.; Sletta, Kaare I. (Springer Berlin Heidelberg : Imprint: Springer, 2000)