| 000 | 00394cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1964 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aR17 In8 | ||
| 245 |
_aEmployment of young persons in underground work in mine of all kinds _cby International Labour Conference |
||
| 260 |
_aGeneva _bInternational labour Office _c1964 |
||
| 300 | _a131p | ||
| 700 | _aSwitzerland. International Labour Conference | ||
| 999 |
_c495908 _d495908 |
||