DRUZHKO, E. B.; OGLOBLIN, V. F.; SAMOYLOV, V. V. THE FLEXIBLE TUNNEL LINING IN DIFFICULT MINING AND GEOLOGICAL CONDITIONS. Science and Transport Progress , [S. l.], n. 32, p. 39–42, 2010. DOI: 10.15802/stp2010/13168. Disponível em: https://stp.ust.edu.ua/article/view/13168. Acesso em: 3 may. 2024.