World and regional supply and demand balances for nitrogen, phosphate, and potash, 1992/99-1998
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
The World Bank
c1994.
|
| Saila: | World Bank technical paper
252 |
| Gaiak: |