000 00263nam a2200121Ia 4500
100 _aKENNEDY, GEORGE
110 _aDAVIS, BERNARD
245 _aELECTRONIC COMMUNICATION SYSTEMS
250 _aII
260 _bMCGRAW HILL
_c1981
300 _a774
942 _2ddc
_cB
999 _c44473
_d44473