ERG, K.; REINSALU, E.; VALGMA, I. GEOTECHNICAL PROCESSES AND SOIL-WATER MOVEMENT WITH TRANSPORT OF POLLUTANTS IN THE ESTONIAN OIL SHALE MINING AREA. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 79–84, 2006. DOI: 10.17770/etr2003vol1.1984. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/1984.. Acesso em: 4 may. 2024.