00503nam a2200169Ia 4500008004100000020001500041082001800056100001300074245003300087260007500120300000800195650004100203650003400244653001900278700002200297700001400319170901s1979    xx            000 0 und d  a9022006972  a631.522bS59P  aSneep, J 0aPlant Breeding Perespectives  aWageningenbCentre for Agricultural Publishing and Documentationc1979  a435  aAgriculture and related technologies  aTechnology (Applied sciences)  aPlant breeding  aHendriksen, A.J.T  aHolbek, O