FRENETTE, Benoît; LUCEA, Valentina. Relative usefulness of the Bayer ratio as an indicator of the hardness of different coatings. Canadian Journal of Optometry, [S. l.], v. 72, n. 6, p. 16, 2010. DOI: 10.15353/cjo.72.606. Disponível em: https://openjournals.uwaterloo.ca/index.php/cjo/article/view/606. Acesso em: 1 sep. 2024.