00493nam a2200169Ia 4500008004100000020001500041082001800056100001800074245005000092260004700142300000800189650004100197650003400238653002200272653001100294700001800305170901s1975    xx            000 0 und d  a0521205751  a631.522bF80C  aFrankel, O.H. 0aCrop genetic resources for today and tomorrow  aNew YorkbCambridge University Pressc1975  a492  aAgriculture and related technologies  aTechnology (Applied sciences)  aGenetic resources  aPlants  aHawkes, J. G.