00331nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001600084245004700100260003500147300000800182650000700190221030s9999    xx            000 0 und d  a8121920175  aEnglish  a105.23bGup  aB. R. Gupta 0aNetwork Systems & Analysiscby B. R. Gupta  bS.Chand & Co.aNew Delhic2001  a596  aEE