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| 001 | MPKV021635 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _aRYA | ||
| 100 | _aRyan J G | ||
| 245 |
_aGeneralized Crop-Fertilizer Production Function _cRyan, J G; |
||
| 246 | _aGeneralized Crop-Fertilizer Production Function | ||
| 260 | _bMTIS | ||
| 300 | _b194 pp | ||
| 365 | _b1618.08 | ||
| 650 | _aCrop | ||
| 700 | _aRyan, J G | ||
| 700 | _aRyan J G | ||
| 999 |
_c20673 _d20673 |
||