000 00399nam a2200157Ia 4500
008 220204s9999 xx 000 0 und d
082 _a575:631.52
_bMAY;1
100 _aMayo, O
245 0 _aTheory of Plant breeding
260 _aOxford
_bClarendon
_c1980
650 _aGemplasm conservation
650 _aHeterosis
650 _aPlant breeding
650 _aSomatic Cell Genetics
942 _cBK
999 _c36621
_d36621