000 00259nam a2200109Ia 4500
100 _aCLAYTON, A.E.
110 _aHANCOCK, N.N.
245 _aPERFORMANCE AND DESIGN OF DIRECT CURRENT MACHINES
260 _bC.B.S. PUB.
_c2003
300 _a516
942 _2ddc
_cBB
999 _c74750
_d74750