LENGEROV, Angel. Adaptive control of the indentation made by the drilling tool. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 125–127, 2015. DOI: 10.17770/etr2015vol1.623. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/623.. Acesso em: 6 may. 2024.