000 00269nam a2200097Ia 4500
008 230411s9999 xx 000 0 und d
100 _a NATIONAL POWER TRANING INSTITUTE
245 0 _aEnergy Audit and DSM in Power Utilities
260 _bN.P.T.I.
_aNEW DELHI
942 _cBK
999 _c2893
_d2893