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International Plant Genetic Resources Institute ,  European Cooperative Programme for Crop Genetic Resources Networks ,  United Nations Development Programme ,  [Report of a Working Group on Prunus, held in Lund 24-27 May 1983] ,  Report of a Working Group on Prunus, held in Lund 24-27 May 1983

International Board for Plant Genetic Resources ,  European Cooperative Programme for Crop Genetic Resources Networks ,  United Nations Development Programme ,  [Report of a Working Group on Allium (Second meeting): Held in Olomouc, Czechoslovakia, 7-9 Jan 1986] ,  Report of a Working Group on Allium (Second meeting): Held in Olomouc, Czechoslovakia, 7-9 Jan 1986