Purchasing power of PTT personnel 1972. 21st world congress. 3-7 July 1972. [...] Paris
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Postal, Telegraph and Telephone International],
1972.
[Geneva : |
| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/346F7203-1CA4-4928-B377-12F67E7DBA06 |
| Published: | 1972. |
|---|