PASTARUS, Jyri-Rivaldo; SABANOV, Sergei. CONCEPT OF RISK ASSESSMENT FOR ESTONIAN OIL SHALE MINES. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 237–242, 2005. DOI: 10.17770/etr2005vol1.2141. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/2141.. Acesso em: 2 may. 2024.