000 00224 a2200097 4500
001 52928
100 _aKennedy G
245 _aElectronic Communication Systems
260 _aNew York
_bMcGraw-Hill
_c
090 _c33274
_d33274
942 _aNUST-CAE
_cM
_c25863
999 _c288001
_d288001