000 00294nam a2200109Ia 4500
008 220201s1955 xx 000 0 eng d
100 _aLangsderf, Alxender S
245 0 _aTheoryof alternating current machinery
260 _bLondon : Mc Graw Hill Book Co.
_c1955
300 _a666
942 _2ddc
999 _c71929
_d71929