KRAJŇÁKOVÁ, Jana - GÖMÖRY, Dušan - HÄGGMAN, Hely. Somatic embryogenesis in Greek fir. In Canadian journal of forest research. ISSN 0045-5067, 2008, vol. 38, no. 4, p. 760-769. CCC, WOS, SCOPUS. Dostupné na internete: <https://www.nrcresearchpress.com/doi/pdf/10.1139/X07-141>