000 00366 a2200145 4500
001 237
008
082 _a631
084 _aQdd
100 _aWilliams, Watkin
245 _aGenetical principles and plant breeding
260 _aOxford
_bBlackwell
_c1964
300 _ax, 504 s. : ill.
653 _aPLANT BREEDING GENETICS
999 _c10554
_d10554