000 00277nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a621.3121
_bGUP
100 _a GUPTA (J.B.)
245 2 _aA Course in Power Systems
260 _b S.K.KATARIA & SONS
_a New Delhi
942 _cBK
999 _c1904
_d1904