000 00245nam a2200109Ia 4500
100 _aKENNEDY, GEORGE
110 _aDAVIS, BERNARD
245 _aELECTRONIC COMMUNICATION SYSTEMS
260 _bMCGRAW HILL
_c1988
300 _a741
942 _2ddc
_cBB
999 _c73075
_d73075