Het hellende vlak :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
A.W. Sijthoff [etc.],
cop. 1981.
Alphen aan den Rijn [etc.] : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/8441B633-8225-448F-86BB-956B6910C573 |