00269nam a2200097Ia 4500008004100000041000800041100003500049245003700084260003100121999001900152230508s2012    xx            000 0 und d  aeng  aGODBOLE ACHYUT.S. / KAHATE ATU  aDATA CAMMUNICATIONS AND NETWORKS  bTATA MCGRAW HILL EDUc2012  c715907d715907