000 00254nam a2200109 4500
082 _a631.521 GEO-A
100 _aGeorge Raymond A.T.
245 _aAgricultural Seed Production
260 _aWallingford
_bCABI
_c2011
300 _a214
942 _2ddc
_cBK
999 _c127677
_d127677