Pawlaczyk, Ewa M., and Maria A. Bobowicz. “Variability of Silver Fir (Abies Alba Mill.) Progeny from the Tisovik Reserve Expressed in Needle Traits and Chloroplast Microsatellite DNA”. Biodiversity: Research and Conservation, vol. 45, Jan. 2017, pp. 1-16, doi:10.1515/biorc-2017-0001.