000 00390cam a22001337a 4500
008 180718b1957 xxu||||| |||| 00| 0 eng d
082 _aT83 H363
100 _aHeiland, Robert E.
245 _aWork sampling
_cby Robert E. Heiland and Wallace J. Richardson
260 _aNew York
_bMcGraw-Hill
_c1957
300 _a243p.
650 _aTime and Motion Study
700 _aRichardson, Wallace J.
999 _c368061
_d368061