| 000 | 00347nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a631.8 | ||
| 100 | _aInter. Potash Inst. | ||
| 245 | _aNutrient balances and the need for fertilizers in semi-arid and arid regions. Proc. 18th | ||
| 260 |
_aBern _bIPI _c1984 |
||
| 300 | _a360 | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c12504 _d12504 |
||