Legislative principles of soil conservation.
| 第一著者: | |
|---|---|
| フォーマット: | 図書 |
| 言語: | English |
| 出版事項: |
Rome
Food and Agriculture Organization of the United Nations
[c1972].
|
| シリーズ: | Food and Agriculture Organization of the United Nations. Soils bulletin
15 |
| 主題: |