000 00314nam a2200133Ia 4500
100 _aRyder, John
020 _a81-203-0299-0
250 _a2nd
942 _cBK
245 _aNetworks lines &filds
260 _aPrentic-Hall of India Private Limited, New Delhi
_c1997
082 _a621.3851 Ryd
300 _axi;590
999 _c25010
_d25010