Desertification control bulletin A Bulletin of world events in the control of desertification, restoration of degraded lands and reforestation
| Соавтор: | |
|---|---|
| Формат: | |
| Язык: | English |
| Опубликовано: |
Nairobi
UN
1990
|
| Предметы: |
| Объем: | 79p |
|---|---|
| ISSN: | 0379-2455 |