000 00296nam a2200133Ia 4500
654 _aELN
100 _aGupta, S.
250 _a1st Ed.
245 _aElectronic Communication Systems
260 _bKhanna Publication
_c1991
082 _bGUP
_a621.38
300 _aXII, 792p.
999 _c4303
_d4303
300 _c20.5 cm.
655 _aF-02
041 _aeng
546 _aText in English