PETIK, Ferenc. PROPAGATION OF ERRORS IN ROCKWELL HARDNESS·STANDARDIZING MEASUREMENTS Periodica Polytechnica Mechanical Engineering, [S. l.], v. 18, n. 1, p. 33–43, 1974. Disponível em: https://pp.bme.hu/me/article/view/5982. Acesso em: 19 may. 2024.