00297nam a2200121Ia 4500008004100000082001500041100002300056245003700079250000800116260002700124300000800151650001600159191201s2007    xx            000 0 und d  a004.6bSTD  aSTALLINGS, William 0aData and Computer Communications  a7th  aN.Delhibpearsonc2007  a847  aB.Tech(CSE)