Botanic gardens and biodiversity : conservation of biological diversity by botanic gardens and the role of the convention on biological diversity (Rio de Janeiro, 1992) / [Autoren, W. Barthlott ... et al. ; editor, Bundesamt für Naturschutz ; translation by Meike Madelung ... et al.].
Botanic gardens and biodiversity : conservation of biological diversity by botanic gardens and the role of the convention on biological diversity (Rio de Janeiro, 1992) / [Autoren, W. Barthlott ... et al. ; editor, Bundesamt für Naturschutz ; translation by Meike Madelung ... et al.].