000 00265nam a2200109Ia 4500
100 _aKennedy, Geroge
942 _cBK
245 _aElectronic communication systems 3rd ed
260 _aMcGraw - Hill, New Delhi
_c1984
082 _a621.380413 Ken
300 _axxii,741
999 _c20113
_d20113