000 00250nam a22001217a 4500
020 _a9780074624005
082 _a621.317
100 _aP.C SEN
245 _aPOWER ELECTRONICS
260 _aNEW DELHI
_bMGH
_c1987
300 _aXV, 1031P
942 _cBK
999 _c8505
_d8505