CHRZAN, Tadeusz. Problems with reclamation of acid lakes in the area of Muzakow lakes. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 13–18, 1999. DOI: 10.17770/etr1999vol1.1915. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/1915.. Acesso em: 27 apr. 2024.