000 00300nam a2200133Ia 4500
100 _aRyder, John D
020 _a81-203-0299-0
250 _a2nd
942 _cBK
245 _aNetwork lines & filds
260 _aPrentic Hall of India, New Delhi
_c1997
082 _a621.3851 Ryd
300 _axi;593
999 _c27547
_d27547