| 000 | 00434nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 140113s9999 xx 000 0 und d | ||
| 082 | _a631.811.3:581.19 L1 | ||
| 100 | _aInternational Potash Institute | ||
| 245 | _aTransition from extensive to intensive agriculture with fertilizers :Proceedings of the 7th Colloquium International Potash Institute | ||
| 260 |
_a1969 _bPotash Institute _cSwitzerland |
||
| 300 | _a282 | ||
| 942 | _cBK | ||
| 999 |
_c58047 _d58047 |
||