The Ramsar convention manual a guide to the convention on wetlands (Ramsar, Iran, 1971).
| 格式: | 图书 |
|---|---|
| 语言: | English |
| 出版: |
Gland Switzerland
Ramsar Convention Bureau
c1997
|
| 版: | 2nd ed. |
| 主题: |
| 格式: | 图书 |
|---|---|
| 语言: | English |
| 出版: |
Gland Switzerland
Ramsar Convention Bureau
c1997
|
| 版: | 2nd ed. |
| 主题: |