| 000 | 00391nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 220204s9999 xx 000 0 und d | ||
| 082 |
_a633 _bHUR |
||
| 245 | 0 | _aOpportunities for increasing crop yields | |
| 260 |
_aLondon _bPitman _c1980 |
||
| 490 | _aPitman international series in applied biology | ||
| 650 | _aCrop yield | ||
| 650 | _aWeed control | ||
| 700 | _aHURD, R G | ||
| 942 | _cBK | ||
| 999 |
_c36728 _d36728 |
||