00441nam a2200121Ia 4500008004100000082002900041100002600070245009200096260004400188300001400232600002000246650005300266140224s9999    xx            000 0 und d  a330.19:63(213)(082.2) K8  aMc Pherson, W.W., ed.  aEconomic development of tropical agriculture; theory, policy, strategy and organization  aGainsvillebUniversity of Floridac1968  axiv,328p.  aW.W. Mc Pherson  aAgriculture-Economic aspects,Agriculture-Tropics