000 00367pam a2200145a 44500
082 _a621.3132
_bL26p6
100 _aLangsdorf, Alexander Suss
245 1 _aPRINCIPLES OF DIRECT-CURRENT MACHINES
250 _a6th
260 _aN. Y.
_bMcgraw-Hill
_c1959
300 _a363
650 _aElectric Machinery -- Direct Current
964 _gCIRC
997 _a22173 C
999 _c409327
_d409327