00545nam a2200169Ia 4500008004100000020001500041041000800056082001600064100001900080245003900099250000600138260005200144300001300196650002200209999001900231952012500250210716s1996    xx            000 0 und d  a8120310802  aeng  a004.65 HELG  aHeld, Gilbert.  aUnderstanding data communications.  a4  aNew DelhibPrentice Hall of India PVt Ltdc1996  axvii,431  aComputer Networks  c183529d183529  001040708MCAaAIMITbAIMITd2021-07-16g175.00l0o004.65 HELGpMCA03037r2025-07-21 00:00:00v175.00w2021-07-16yBK