Schweiz :
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Bundesamt für Statistik,
1985.
Bern : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/0FC8D4C1-F800-4ED8-A5F1-3901992D23CA |