EVGENIEVA, Evgenia; NIKIFOROV, Igor; MALTSEV, Pavel; DMITRIEV, Sergey. HIGH RIGIDITY AND VIBRATION ENDURANCE BAR FOR DEEP HOLES. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 3, p. 62–65, 2021. DOI: 10.17770/etr2021vol3.6522. Disponível em: https://journals.ru.lv/index.php/ETR/article/view/6522.. Acesso em: 3 may. 2024.