000 00301nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.3 GUP
100 _aGUPTA (J.B.)
245 _aA Text Book Of Electrical Science
260 _aNEW DELHI
_bS.K.KATARIA &SONS F
365 _cRS
999 _c199381
_d199381