RUBLEVA, O. I. Research and model development of drilling and blasting technology penetrations of vertical shafts. Science and Transport Progress , [S. l.], n. 21, p. 177–184, 2008. DOI: 10.15802/stp2008/16506. Disponível em: https://stp.ust.edu.ua/article/view/16506. Acesso em: 29 apr. 2024.