000 00292nam a2200121Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a621.3841 N78 GUP
100 _aGUPTA M L
245 _aELECTRONIC AND RADIO ENGINEERING
260 _bCALICO PUBLISHERS
300 _a1244
999 _c10873
_d10873