| 000 | 00352nam a2200109Ia 4500 | ||
|---|---|---|---|
| 008 | 191031s9999 xx 000 0 und d | ||
| 100 | _aProceeding of the 17th | ||
| 245 | 0 | _aCollogium of the IPI: Nutrients balances and the need for fertilizers in semi-arid and arid regions | |
| 260 | _b"Int.Potash Instt,Switzerland" | ||
| 260 | _c1983 | ||
| 942 | _cBK | ||
| 999 |
_c216898 _d216898 |
||