Troisième réunion de l'Association internationale des Travaux en souterrain
| Medium: | journal article |
|---|---|
| Language(s): | French |
| Published in: | Travaux, December 1977, n. 514 |
| Page(s): | 74 |
| Medium: | journal article |
|---|---|
| Language(s): | French |
| Published in: | Travaux, December 1977, n. 514 |
| Page(s): | 74 |