@article{guimarães_dieguez_schmal_2004,  title={The effect of precursors salts on surface state of Pd/Al2O3 and Pd/CeO2/Al2O3 catalysts},  volume={76},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652004000400014},  DOI={10.1590/S0001-37652004000400014},  number={4},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Guimarães, André L. and Dieguez, Lídia C. and Schmal, Martin},  year={2004},  month={Dec},  pages={825–832} }