KLEINSCHMIT, Jochen. Inventories of noble hardwoods genetic resources: basic requirements. In Noble Hardwoods Network, 1999, s. 92-97Error: read handle in (rep.epca.fmtISO690).fmtXDatabaze. Dostupné na internete: <http://www.bioversityinternational.org/fileadmin/_migrated/uploads/tx_news/Noble_hardwoods_network_6.pdf#page=97>