| 000 | 00335nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV050875 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a630 | ||
| 245 |
_aAdvances in Agronomy Vol 23 _c; |
||
| 246 | _aAdvances in Agronomy Vol 23 | ||
| 260 |
_aNew York _bAcademic Press _c1971 |
||
| 650 | _aAgronomy/General Agriculture | ||
| 999 |
_c48882 _d48882 |
||