00253nam a2200109Ia 4500008004100000041000800041082001500049100002600064245002300090260002300113365000700136230303s9999    xx            000 0 und d  aeng  a004.65 TAN  aTanenbaub ( Andrew.S)  aComputer Networks.  aNEW DELHIbPEARSON  cRS