Perpetuum mobile :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Van Gorcum,
1974.
Assen : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/53EA96C0-63B7-48C1-8765-934C9B7DC002 |
| Published: | 1974. |
|---|