00426nam a2200157Ia 4500008004100000082001600041100002100057245003500078250000600113260003300119300000800152650004100160650003400201653001300235700002000248170901s1970    xx            000 0 und d  a631.5bL74I  aLockhart, J.A.R. 0aIntroduction to Crop Husbandry  a2  aOxfordbPergamon Pressc1970  a287  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgronomy  aWiseman, A.J.L.