000 00313nam a2200109Ia 4500
008 140917b1952 xxu||||| |||| 00| 0 eng d
082 _a658.302, THO
100 _aRobert L Thomas
245 _aMannual of time study for supervisors
260 _aColumbus :
_bColumbia graphs,
_c1952
700 _aThomas, Robert L
999 _c200988
_d200988