000 00287nam a2200121Ia 4500
008 160710s1965 xx 000 0 und d
082 _a621.31 SPO
100 _aSPORN ,PHILIP
245 _aRESEARCH IN ELECTRIC POWER
260 _bPERGAMON PRESS
_c1965
300 _a64
942 _2ddc
_cB
999 _c33360
_d33360