| 000 | 00340nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV058138 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a630 | ||
| 245 |
_aJournal of the American Society of Agronomy Vol 31 _c; |
||
| 246 | _aJournal of the American Society of Agronomy Vol 31 | ||
| 260 |
_aUSA _c1939 |
||
| 650 | _aAgronomy | ||
| 999 |
_c56128 _d56128 |
||