FRANK, H. Differences Between Doped and Undoped Zirconium Alloy Oxide Layers. Acta Polytechnica, Prague, Czech Republic, v. 50, n. 2, 2010. DOI: 10.14311/1161. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1161. Acesso em: 5 apr. 2025.