Mežaka, Anna, Sanita Putna, and Inga Erta. “Evaluation and Long-Term Conservation Perspectives of Woodland Key Habitat Bryophyte and Lichen Indicators in Latgale”. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 2 (June 17, 2015): 197–201. Accessed May 1, 2025. https://journals.ru.lv/index.php/ETR/article/view/283.