Recolección de germoplasma de Phaseolus en la región Andina Central de Colombia, Cundinamarca y Boyacá
Production and marketing of cassava flour for human consumption in Colombia : summary of final report: Pilot project phase (June 1989-December 1991)
The savannas of South America: towards a research agenda for CIAT: (summary of the rapid appraisals conducted in Brazil, Colombia and Venezuela, 1990-91)
Recolección de germoplasma de frijol Phaseolus spp. L. en la región andina (centro de Colombia), Cundinamarca y Boyacá
Proposal for an extension of the regional bean research network extension network for the Great Lakes region of Africa