000 00283nam a2200109Ia 4500
008 160710s1961 xx 000 0 und d
100 _aLANGSDORF,ALEXANDER
245 _aPRINCIPLES OF DIRECT-CURRENT MACHINES
260 _aPENSYLVANIA
_bI.T.C.
_c1961
300 _a404
942 _2ddc
_cB
999 _c26789
_d26789