000 00334nam a2200157Ia 4500
100 _aCHOUDHARY ROY D
020 _a81-224-0002-7
365 _cRS
365 _d1
942 _cPBK
654 _aNetworks
654 _aSystems
245 _aNetworks and Systems
260 _bNew Age Int pvt ltd
_c1988
_aNEW DELHI
300 _a926p
999 _c30630
_d30630