Characterization of the roundness degree of graphite nodules in ductile iron: A new discrete measure independent to resolution. Superficies y Vacío, [S. l.], v. 26, n. 2, p. 58–63, 2013. Disponível em: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/170. Acesso em: 11 apr. 2025.