Brachiaria. A report to CIAT, Colombia, on the species and specimens held in the germplasm collection
Recolección de germoplasma de fríjol Phaseolus spp. L. en la región Andina del Centro de Colombia en los departamentos de Cundinamarca y Boyacá
Crop collecting mission in the Southern, Western, Central, Copperbelt and Luapula provinces of Zambia. Plant Genetic Resources Newsletter 50:45-50. AGP:PGR/50
Crop germplasm exploration mission in the middle Himalayan zone of Bhutan. Plant Genetic Resources Newsletter 48:4-6. AGP:PGR/48
Land use studies: Reconciling the Dynamics of Agriculture with the Environment Annual report 1993 Project PE-4