00481nam a2200145 a 450000100080000000500110000800800410001902000190006010000210007924500720010026000300017230000110020250001100021370000120032318160051996-04-25       1977    bl uuuu      00u1 u    #d  a0-471-99473-1 1 aGREENLAND, D. J.  aSoil conservation and management in the humid tropicsbproceedings.  aChicester: J. Wileyc1977  a283 p.  aInternational Conference on Soil Conservation and Management in the Humid Tropics, 1975, Ibadan, Nigeria.1 aLAL, R.