000 00238nam a2200085Ia 4500
008 150310s9999 xx 000 0 und d
100 _a"DUBEY,DARADLA JOSHI & SINHA"
245 _aTHYRISTORISED POWER CONTROLLERS
260 _c1992
_bWILEY EASTERN
999 _c20132
_d20132