000 00232nam a2200109Ia 4500
020 _a9780070992863
082 _a621.31
100 _aELGERD, OLLE
245 _aELECTRIC ENERGY SYSTEMS
260 _aNEW DELHI
_b TMH
_c1982
942 _cBK
999 _c2910
_d2910