STEPHAN, Bruno Richard. Progress made in the national gene conservation strategies on Noble Hardwoods. In Noble Hardwoods Network, 1999, s. 64-65Error: read handle in (rep.epca.fmtISO690).fmtXDatabaze. Dostupné na internete: <https://www.researchgate.net/profile/Fulvio-Ducci/publication/341277304_Inventories_of_noble_hardwoods_genetic_resources_-_Basic_Requirements_EUFORGEN_Noble_Hardwoods_Network_Turok_J_Jensen_J_Palmberg-Lerche_Ch_Rusanen_M_Russell_K_de_Vries_S_and_Lipman_E_compilers_IPGRI_R/links/5eb7c497a6fdcc1f1dcb348f/Inventories-of-noble-hardwoods-genetic-resources-Basic-Requirements-EUFORGEN-Noble-Hardwoods-Network-Turok-J-Jensen-J-Palmberg-Lerche-Ch-Rusanen-M-Russell-K-de-Vries-S-and-Lipman-E-compilers.pdf#page=44>