| 000 | 00500nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 140224s9999 xx 000 0 und d | ||
| 082 | _a633:581.1(082.2) L7 | ||
| 100 | _aSymposium on Physiological Aspects of Crop yield, Lincoln, Jan.20-24, 1969. | ||
| 245 | _aPhysiological aspects of crop yields; proceedings | ||
| 260 |
_aMadison _bAmerican Society of Agronomy; Crop Science Society of America _c1969 |
||
| 300 | _axx,396p. | ||
| 650 | _aCrops Yield-physiological aspects-congresses | ||
| 942 | _cBK | ||
| 999 |
_c94990 _d94990 |
||