| 000 | 00296nam a22000857a 4500 | ||
|---|---|---|---|
| 999 |
_c516497 _d516497 |
||
| 100 |
_aInternational labour Office _923018 |
||
| 245 |
_aSocial progress and the organisation of social research _cby International labour Office |
||
| 260 |
_aSwitzerland _bInternational labour Office _c1952 |
||
| 300 | _a23p. | ||