C.  Bouras, Kapoulas, V., Panagopoulos, A., Sevasti, A., Chantzi, C., and Sampraku, I., ?Performance Analysis of a Managed Bandwidth Service for ATM Networks?, in Communication Networks and Distributed Systems Modeling and Simulation Conference (CNDS 2002), Riverwalk North, San Antonio, Texas, USA, 2002, pp.  220 - 225.