| 000 | 00429nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 141013s9999 xx 000 0 und d | ||
| 080 |
_a633;381 _bN2 |
||
| 110 | _aChina Agricultural Research | ||
| 245 | _aProceeding Of The Third International Symposium On Maximum Yield Research | ||
| 260 |
_c1992 _aChina _bChina Agricultural Research |
||
| 300 | _aPT 270 | ||
| 546 | _aENG | ||
| 650 | _aSymposiumAgriculture | ||
| 942 |
_2udc _cBK |
||
| 999 |
_c1983 _d1983 |
||