00427nam a2200145Ia 4500008004100000082001700041100002000058245004800078260004000126300000800166650004100174650003400215653001300249653001900262170901s1981    xx            000 0 und d  a631.53bW60F  aWelsh, James. R 0aFundamentals of Plant Genetics and Breeding  aNew YarkbJohn Wiley and Sonsc1981  a290  aAgriculture and related technologies  aTechnology (Applied sciences)  aGenetics  aPlant breeding