000 00270nam a2200109Ia 4500
008 160710s1937 xx 000 0 und d
100 _aLANGSDORF ,A.S
245 _aTHEORY OF ALTERNATING CURRENT MACHINERY
260 _bMCGRAW HILL
_c1937
300 _a788
942 _2ddc
_cB
999 _c6776
_d6776