00477nam a2200145Ia 4500008004100000082001800041100005400059245003300113260006000146300000700206650004100213650003400254653001900288653002400307170901s1935    xx            000 0 und d  a631.522bG72P  aGreat Britain. Imperial Bureau of Plant Geneteics 0aBreeding resistant varieties  aGreat BritainbImperial Bureaux of Plant Geneticsc1935  a58  aAgriculture and related technologies  aTechnology (Applied sciences)  aPlant breeding  aResistant varieties