000 | 00568 a2200157 4500 | ||
---|---|---|---|
082 |
_a631.523 _bREP |
||
090 |
_c21885 _d34305 |
||
245 | _aReport of a working group on sunflower | ||
260 |
_aRome _bInternational Board for Plant Genetic Resources _c1989 _g1989 |
||
300 |
_aiii,38p. _c30cm |
||
440 | _aEuropean cooperrative programme for the coservation and exchange of crop genetic resources | ||
650 | _aDevelopment of new varieties | ||
650 | _aCultivation and harvesting | ||
650 | _aProduction of propagational organisms and new varieties | ||
942 | _cL | ||
999 |
_c49313 _d49313 |