Geographical conversion tables.
| Format: | Llibre |
|---|---|
| Idioma: | English |
| Publicat: |
Zurich, Switzerland
International Geographical Union
1961
|
| Matèries: |
| Format: | Llibre |
|---|---|
| Idioma: | English |
| Publicat: |
Zurich, Switzerland
International Geographical Union
1961
|
| Matèries: |