12 - 13 mai 73 :
| Institution: | International Institute of Social History |
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| Format: | TEXT |
| Published: |
Unef,
1973
Paris : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/2A2D9291-CD6D-4C0E-84F9-4DCE2391BF6F |
| Published: | 1973 |
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