LETTNER, F. J.; REZEK, Ödön. EXAMINATION OF FRICTION CONDITIONS AT ORTHOGONAL CUTTING Periodica Polytechnica Mechanical Engineering, [S. l.], v. 14, n. 4, p. 449–455, 1970. Disponível em: https://pp.bme.hu/me/article/view/6127. Acesso em: 17 may. 2024.