000 00284nam a2200121Ia 4500
008 230401s2011 xx 000 0 eng d
082 _a621.317
100 _aSHEPHERD W
245 0 _aPOWER ELECTRONICS & MOTOR CENTRAL
260 _bCAMBRIDGE
_c2011
300 _a539
942 _2ddc
_cBTECH
999 _c537
_d537