| 000 | 00813nam#a2200253#c#4500 | ||
|---|---|---|---|
| 003 | IEF | ||
| 005 | 20180219150002.0 | ||
| 008 | 941205s1991 uuua###fr####| 0||u| |u | ||
| 040 | _aIEF | ||
| 100 | 1 |
_aAtack, Jeremy _92526 |
|
| 245 | _aLouis Brnadeis, work and fatigue at the start of the twentieth century :prelude to Oregons jours limitation law | ||
| 260 |
_aCambridge, Mss. _b NBER _c1991 |
||
| 300 |
_a39 p. _b gráf.;il. _cil.;30 cm. |
||
| 500 | _aResumen.- Conclusión.- Bibliografía | ||
| 490 | _aNBER. W.P. series on historical factors in long run growth;25 | ||
| 650 | 4 |
_aTRABAJADORES _947884 |
|
| 650 | 4 |
_aSEGURIDAD E HIGIENE _948361 |
|
| 650 | 4 |
_aJORNADA DE TRABAJO _947569 |
|
| 650 | 4 |
_aESTADOS UNIDOS _942888 |
|
| 650 | 4 |
_aSIGLO XIX _948415 |
|
| 942 | _cLIB | ||
| 942 | _z14116 | ||
| 999 |
_c4050 _d4050 |
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