000 00290nam a2200121Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
082 _a621.381 N81 GUP
100 _aGUPTA L M
245 _aELECTRONICS MADE SIMPLE
260 _bDHANPAT RAI AND SONS
_c1981
300 _a232
999 _c21021
_d21021