00528nam a2200181Ia 4500003000400000008004100004020001500045082001800060100002100078245007900099250001200178260004000190300001300230650004100243650003400284650001600318650001200334OSt170901s1981    xx            000 0 und d  a0582409012  a630.913bW91T  aWrigley, Gordon. 0aTropical Agriculture : the development of production / cby Gordon wrigley  a4th ed.  a.- Englandb: Longman Groupc, 1981  axv,495p.  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgriculture  aTropics