Recolección de germoplasma de fríjol Phaseolus spp. L. en la región Andina del Centro de Colombia en los departamentos de Cundinamarca y Boyacá
Report of the Ad Hoc Review Panel on the "Proposal for the Creation of a Tropical Research Foundation"
Land use studies: Reconciling the Dynamics of Agriculture with the Environment Annual report 1993 Project PE-4