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The threatening desert : controlling desertification /
| 主要作者: | |
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| 格式: | Printed Book |
| 出版: |
London :
Earthscan, in association with United Nations Environment Programme,
1990.
|
| 主題: |
MG University
| 索引號: |
333.731 3 GRA/T |
|---|---|
| 復印件 | Live Status Unavailable |