| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c8631 _d8631 |
||
| 003 | LibDOCS | ||
| 008 | 81212b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9221031896 | ||
| 041 | _aeng | ||
| 082 |
_a331 _bILO |
||
| 110 | _aInternational Labour office | ||
| 245 | _aWorking conditions and environment | ||
| 260 |
_aGeneva _bInternational labour Organisation _c1983 |
||
| 300 |
_a81 _bill. |
||
| 650 | _aLabour economics | ||
| 942 |
_2ddc _cLN |
||