Šembele, Ina, and Ivars Matisovs. “RESEARCH OF OAK STANDS IN REZEKNE REGION”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 23 (April 24, 2019): 149–152. Accessed May 7, 2024. https://journals.rta.lv/index.php/HET/article/view/4407.