GÜMPEL, P. Surface Hardening of Stainless Steels by Kolsterising. Applied Science and Engineering Progress, [S. l.], v. 5, n. 1, p. 11–18, 2013. Disponível em: https://ph02.tci-thaijo.org/index.php/ijast/article/view/67338. Acesso em: 18 sep. 2026.