Mining under kalina and Selisoo Bogs. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 1, p. 175–181, 2015. DOI: 10.17770/etr2013vol1.822. Disponível em: https://archive-journals.rtu.lv/etr/article/view/3848.. Acesso em: 11 mar. 2026.