Kasesalu, Heino, Alar Läänelaid, and Urmas Roht. “Sitka Spruce in Estonia”. Baltic Forestry 25, no. 2 (December 31, 2019): 296–302. Accessed April 29, 2024. https://balticforestryojs.lammc.lt/ojs/index.php/BF/article/view/331.