000 00271nam a2200121Ia 4500
020 _a0070340544
100 _aGeorge Kennedy
245 _aElectronic Communication Systems
250 _a3rd
260 _c1985
_bMGH Book Co.
_aNew York
300 _axxii+741
942 _cBK
999 _c15862
_d15862