000 00220 a2200097 4500
001 32083
100 _aFraser, W
245 _aIntroduction to Telecommunications
260 _aN Delhi
_bCBS
_c1985
090 _c21533
_d21533
942 _aNUST-CAE
_cM
_c12818
999 _c267156
_d267156