P.V. GOPAL KRISHNA. Performance Evaluation of Cryogenic Treated HSS Drill. Global Journals of Research in Engineering, [S. l.], v. 13, n. A7, p. 23–27, 2013. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/857. Acesso em: 30 apr. 2024.