| 000 | 00570 a2200181 4500 | ||
|---|---|---|---|
| 020 | _a0851995497 | ||
| 082 |
_a631.52 _bCRO |
||
| 090 |
_c15918 _d24036 |
||
| 100 |
_aEvenson, R. E. _eed. |
||
| 245 |
_aCrop variety improvement and its effect on productivity _bthe impact of international agricultural research |
||
| 260 |
_aUK _bCABI Publishing _c2003 _g2002 |
||
| 300 |
_axxv,522p. _c24cm |
||
| 650 | _aCultivation and harvesting | ||
| 650 | _aAgriculture | ||
| 650 | _aSpecific techniques, apparatus, equipment, materials | ||
| 700 |
_aGollin, D. _eed. |
||
| 942 | _cL | ||
| 999 |
_c43965 _d43965 |
||