000 00331nam a2200145Ia 4500
008 230915s9999 xx 000 0 und d
082 _a SHA
100 _aSharma, Sanjay
245 0 _aData Communication Networks
260 _aDELHI
260 _bKATARIA
260 _c2007
300 _a429
650 _aComputers Engineering
999 _c159475
_d159475