The economics of conserving agricultural biodiversity on-farm: Proceedings of a Workshop hosted by the Institute for Agrobotany (IA), Hungary and the International Plant Genetic Resources Institute (IPGRI), Italy, Gödöllo, Hungary, May 13-16, 2002
Pathogenicity of a 16SrIII-L phytoplasma associated with frogskin disease of cassava (Manihot esculenta Crantz) in Colombia
Targeted seed aid and seed-systems interventions: Strengthening small-farmer seed systems in East and Central Africa : Proceedings of a workshop, held in Kampala, Uganda, 21-24 June 2000