World and regional supply and demand balances for nitroge, phosphate, and potash, 1989/90 - 1995/96 / The World Bank / FAO / UNIDO
| 企业作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | English |
| 出版: |
Washington
World Bank
c1991.
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| 丛编: | World Bank technical paper
144 |
| 主题: |