| 000 | 00458cam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 180718b1956 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aR69x73 Un3 | ||
| 245 |
_aJob performance: a study in measurement _cby Department of Labor, Bureau of Labor Standards |
||
| 260 |
_aWashington _bU.S. Government Printing Office _c1956 |
||
| 300 | _avii, 72p | ||
| 500 | _aContents: Library has bulletin no. 1203 | ||
| 700 | _aU.S. Bureau of Labor Standards. Department of Labor | ||
| 999 |
_c496325 _d496325 |
||