000 00284nam a2200133Ia 4500
100 _aGumhalter/ H.
490 _vI
942 _cBK
654 _aPower
245 _aPower Supply Systems- Principles
260 _bWiley eastern
_aNew Delhi
_c1989
546 _aENGLISH
999 _c32052
_d32052