JENSEN, Aage. For jern-titanoxid ’freaks’. Historien om jern-titan-oxiderne II. Varv, [S. l.], v. 1995, n. 1, p. 14–15, 1995. DOI: 10.7146/varv.v1995i1.144128. Disponível em: https://tidsskrift.dk/varv/article/view/144128. Acesso em: 6 dec. 2025.