000 00296nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.3 GUP
100 _aGUPTA (B.R.) SINGHAL (VANDANA)
245 _aElectrical Science
260 _aNEW DELHI
_bWHEELER PUB
365 _cRS
999 _c175826
_d175826