In de ban van het getal :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Hoger Instituut voor de Arbeid,
1990.
Leuven : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/93F81D42-0FD7-44DE-8992-803578892AB2 |
| Published: | 1990. |
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