-Existencias: 1976: "Primities among crops and regions".; 1979: "A review of Policies and Activities 1974-1978..."; 1981: "Crop Genetic Resources.", "Revised priorities among Crops and Regions."; 1982: "Report Suth Asian Liaison Officers Meeting.", "The Design of Seed Storage Facilities for GenetiConserv.", "Plant Genetic Resources in the Andean Region".; 1983: "Recursos Fitogenéticos"., "Bibliogra. of Croop Genetic Resources"., 1984: "Collection of Crop Germoplasm 1974-1984"., "European Coop. Progr. Conserv. and Exchange"..., "Inst. Conserving Crop Germoplasm : The IBPGR"..., "A Coop. Reg. Progr. in Southeast Asia"; 1985: "Cost-Effective long-term seed stores", "The Potential use of in vitro storage"..., "IBPGR Advisory Committee on in vitro storage", "Forages for Mediterranean and"..., "Les mils Penicillaires d l'Afrique de L'owest", "Long term seed storage of major temp."...; 1986: "Genetics Resources of Tropical and"...; "IBPGR advisory commitee on in vitro storage.", "Characterization using Isozzime Electroph,"...; 1988: "In vitro culture and Disease aspects"; 1990: "Report workshop gen. resourc. of wild Arachis species"; 1992: "Report working group on sunflower"; 1993: "Diversity for development". "Scientists plants and politics"; 1994: "Safeguarding the genetic basil Africa: trad. crops"; 1995: "Core Collections of plant genetic resources"; 1997: "Molec. genet. techniques for pl. genet. res.", "Andean roots and tubers"...; 1997: "Status report on the development.."; 200?: "Accession Management"; 2000: "Directorio de Germoplasma en America y el Caribe"; 2000-2001: "Thematic report"; 2006: "Preoceedings of a workshop"..