@article{santos_campos_costa_melo_honda_mota_2003,  title={Superficial modifications in TiO2 and Al2O3 ceramics},  volume={6},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392003000300009},  DOI={10.1590/S1516-14392003000300009},  number={3},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Santos, Flávio de Paula and Campos, Elson de and Costa, Marcelo and Melo, Francisco Cristóvão Lourenço and Honda, Roberto Yzumi and Mota, Rogério Pinto},  year={2003},  month={Apr},  pages={353–357} }