Tres especies de zapote en América Tropical (Pouteria spp.): Manual de campo para extensionistas y fruticultores
Law and policy of relevance to the management of plant genetic resources: Learning module with review of regional policy instruments, developments and trends - 2nd edition
Regionalization of the INIBAP information system: Report of an international meeting, 14-16 Oct. 1991, Montpellier, France