Society and nature socio-ecological problems
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English |
| Publié: |
Moscow
Progress
c1981
|
| Sujets: |
| Auteur principal: | |
|---|---|
| Format: | Livre |
| Langue: | English |
| Publié: |
Moscow
Progress
c1981
|
| Sujets: |