GRÁF, G.; ČERMÁK, J. Close-die flashless forging in automotive industry. Advanced Technologies and Materials, [S. l.], v. 26, n. 2, p. 1–9, 2001. Disponível em: https://ijiemjournal.uns.ac.rs/index.php/atm/article/view/jtp.2001.27.2.1. Acesso em: 27 jun. 2025.