International covenant on environment and development
| Egile korporatiboa: | , , |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Gland, Switzerland
IUCN--the World Conservation Union
1995.
|
| Saila: | Environmental policy and law paper
no. 31 |
| Gaiak: |


