00274nam a2200109Ia 4500008004100000082001900041100001700060245005400077300000800131546000900139650001600148230312s9999||||xx |||||||||||||| ||und||  a621.382bFLO-T  aFlood, J. E. 0aTelecommunication Switching, Traffic and Networks  a310  aEng.  aEngineering