Szajsner, Hanna, Anna Koszelnik-Leszek, and Karolina Błasiak. “Conditioning of Norway Spruce (Picea Abies (L.) Karst.) Sowing Material”. Polish Journal of Natural Sciences 37, no. 4 (June 27, 2023). Accessed November 3, 2024. https://czasopisma.uwm.edu.pl/index.php/pjns/article/view/8480.