Technical conference :
See for french ed.: Int 2677/19; german ed.: Int 2677/17.
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Unionsdruckerei,
1967.
Bern : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/457E09A5-9161-4920-8B81-81D9183F0488 |