000 00265nam a22001097a 4500
082 _a621.042 IMP'E
100 _aENERCON
_979563
245 _aIMPROVING ENERGY EFFICIENCY IN ELECTRICAL SYSTEMS
260 _aISLAMABAD
_bENERCON
_c1988
300 _aB-35
942 _cBK
999 _c584587
_d584587