PLANČAK, Miroslav; FRANCUSKI, Plavka. An analysis of extrusion - forging process. Journal of Production Engineering, [S. l.], v. 8, n. 8, p. 89–101, 1991. DOI: 10.24867/JPE-1991-08-089. Disponível em: https://sp.ftn.uns.ac.rs/index.php/jpe/article/view/853. Acesso em: 4 may. 2025.