000 00388pam a2200157a 44500
008 230515b2000 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGL
082 _aCLA/HAN
100 _aA.E.CLAYTON & HANCOCK N. N
245 _aTHE PERFORMANCE AND DESIGN OF DIRECT CURRENT MACHINES
250 _aN.D.
260 _aNULL
_bC.B.S
_c2000
300 _a516 PB
650 _aNULL
999 _c659271
_d659271