000 00316nam a2200133Ia 4500
008 250430s9999||||xx |||||||||||||| ||und||
082 _aGUP
_b621.3121
100 _aGUPTA B R
_957509
245 0 _aPOWER ELECTRONICS
250 _a5TH
260 _bS K KATARIA & SONS
_aNEW DELHI
_c2010
300 _a593
942 _cBK
999 _c67759
_d67759