00573nam a2200145Ia 4500008004100000010001300041040001700054082002600071100002200097245007500119260003100194300001400225440008100239650010700320190328s9999||||xx |||||||||||||| ||und||  a58-11697  aNITILcNITIL  221sta338.10966bJ72S  aJohnston, Bruce F 4aThe staple food economics of western tropical AfricacBruce F Johnston  aCaliforniabStanfordc1958  axi, 305p.  aStudies in tropical development/Food Research Institute. Stanford University  aAgriculture-Economic aspects-Africa, west; Food supply-Africa, west; Agricultural systems-Africa, West