000 00291nam a2200121Ia 4500
008 220201s1940 xx 000 0 eng d
082 _a658
100 _aMaynard, Lawry & Stegemerten
245 0 _aTime & motor study
260 _bMc graw hill book co
_c1940
300 _a432
942 _2ddc
999 _c75768
_d75768