00450nam a2200157Ia 4500008004100000082001700041100001700058245005800075250000600133260004200139300001000181650004100191650003400232653001000266653001600276170901s1953    xx            000 0 und d  a631.4096bI6  aIrvine, F.R. 0aText Book of West African Agriculture Soils and Crops  a2  aLondonbOxford University Pressc1953  aMisc.  aAgriculture and related technologies  aTechnology (Applied sciences)  aSoils  aWest Africa