Sistemas de producción pecuaria extensiva: Brasil, Colombia, Venezuela: informe final proyecto ETES - Estudio Técnico y Económico de Sistemas de Producción Pecuaria 1978-1982
Sustainable integrated management of whiteflies through host plant resistance: progress report 2003-2004
RETA 5866: fourth agriculture and natural resources research at CGIAR centers: developing sustainable forage technologies for resource-poor upland farmers in Asia: Forages for Smallholders Project: Six-monthly report, 1 July-31 December 2002
Saturation of the genetic map of cassava with PCR-based markers and the use of the genetic map in the improvement of cassava (RF 96010 #20): progress report, January 1997 - September 1998 and proposed two year extension
Selección y evaluación de pastos tropicales en condiciones de alta concentración de aluminio y bajo contenido de fósforo disponible [conjunto audiotutorial]
Broadening the genetic base of common bean, Phaseolus vulgaris, and exploitation of the biodiversity found in the secondary gene pools of P. coccineus and P. polyanthus, through germplasm core collections and interspecific hybridizations