000 00325nam a2200133Ia 4500
008 220204s9999 xx 000 0 und d
082 _a621.396
_bGUP
100 _aGupta, M L
245 0 _aElectronic and radio engineering
250 _a5
260 _aDelhi
_bDhanpat Rai
_c1978
650 _aRadio engineering
942 _cBK
999 _c29491
_d29491