VACEK, J. Stress Distribution in a Coal Seam before and after Bump Initiation. Acta Polytechnica, [S. l.], v. 41, n. 4-5, 2001. DOI: 10.14311/260. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/260. Acesso em: 6 may. 2024.