000 00272nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
020 _a9789352606603.00
041 _aeng
100 _aKENNEDY
245 _aELECTRONIC COMMUNICATION SYSTEMS 6 TH ED
260 _bMC GRAW HILL
999 _c88394
_d88394