@article{fernandes_silva_2013,  title={Study of the effects of lanthanum and the iron ion on the acidic properties of Al-pillared vermiculite},  volume={16},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392013005000106},  DOI={10.1590/S1516-14392013005000106},  number={5},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Fernandes, Marcus Venicio da Silva and Silva, Lindomar Roberto Damasceno da},  year={2013},  month={Sep},  pages={1190–1194} }