000 00321nam a2200121Ia 4500
008 140113s9999 xx 000 0 und d
082 _a631.52 K4
100 _a"Williams, Watkons."
245 _aGenetical Principles and Plant Breeding
260 _a1964
_bBlackwell Sci. Pub.
_cAmsterdam
300 _a504
942 _cBK
999 _c56760
_d56760