000 00421nam a2200169Ia 4500
008 220901s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a621.382
082 _bSCH
100 _aSCHWEBER, WILLIAM
245 0 _aELECTRONIC COMMUNICATION SYSTEM : A COMPLETE COURSE.
260 _bPHI NEW DELHI
260 _c2002
300 _a820
650 _a  ELECTRONIC COMMUNICATIONS
942 _cTB
999 _c132043
_d132043