VISI, T. PRÄZISIONSGUSS AUS NITRIERBAREM TITANSTAHL. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 3, n. 2, p. 163–168, 1959. Disponível em: https://pp.bme.hu/me/article/view/6424. Acesso em: 29 apr. 2024.