000 00311nam a2200121Ia 4500
008 160710s1952 xx 000 0 und d
082 _a621.313 JAM
100 _aJAMES HENERY DUVALL
245 _aCONTROLLERS FOR ELECTRONICS MOTORS
260 _bMC GREW HILL BOOOK LTD
_c1952
300 _a426
942 _2ddc
_cB
999 _c15773
_d15773