000 00253nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aALEXANDER S LANGSDORF
245 _aTHEORY OF ALTERNATING CURRENT MACHINERY
250 _a2
260 _c1955
_bMC GRAW HILL
999 _c3992
_d3992