Šķēle, Kaspars, Dace Cīrule, Anda Alksne, and Jurijs Hrols. “DEPENDENCE OF PINUS SYLVESTRIS WOOD STRUCTURE AND PHYSICAL PROPERTIES ON GROWTH ENVIRONMENT CONDITIONS”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 20, 2001): 181–185. Accessed April 21, 2024. https://journals.ru.lv/index.php/ETR/article/view/1958.