| 000 | 00529nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 190328s9999||||xx |||||||||||||| ||und|| | ||
| 040 |
_aNITIL _cNITIL |
||
| 082 |
_221st _a331.8 _bI61P |
||
| 110 | _aInternational Labour Office (Geneva) | ||
| 245 | 4 |
_aThe Protection of young workers employed underground in coal mines _binternational labour conference, 35th session, 1952 |
|
| 260 |
_aGeneva _bILO _c1951 |
||
| 300 | _aiv, 112p. | ||
| 500 | _aNinth item on the agenda | ||
| 650 | _aCoal mines and mining; Employment | ||
| 942 | _cBKS | ||
| 999 |
_c2482 _d2482 |
||