Bananas and food security= Les productions bananieres: un enjeu economique majeur pour la securite alimentaire: International symposium, Douala, Cameroon, 10-14 November 1998
Neglected leafy green vegetables crops in Africa: Vol. 2: Bibliography of the genetic resources of traditional African vegetables
Saving seeds: The economics of conserving crop genetic resources ex situ in the future harvest centres of the CGIAR
Forest genetic resources conservation and management: overview, concepts and some systematic approaches: Vol. 1
Forest genetic resources conservation and management: In plantations and genebanks (ex situ) : Vol. 3
Ecogeography, demography, diversity and conservation of Phaseolus lunatus L. in the Central Valley of Costa Rica