CHRZAN, Tadeusz; GREINERT, Henryk. CONCEPTIONS OF LAND RECLAMATION IN THE POLISH OPENCAST MINING. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 26–34, 1997. DOI: 10.17770/etr1997vol1.1856. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/1856.. Acesso em: 27 apr. 2024.