@article{villegas_espírito santo jr._mattos_aguiar_guarino_2005,  title={Characterization of natural Brazilian clays and their utilization as catalysts in the coiodination of alkenes with water and alcohols},  volume={16},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532005000400012},  DOI={10.1590/S0103-50532005000400012},  number={3b},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Villegas, Raul A. S. and Espírito Santo Jr., José Luiz do and Mattos, Marcio C. S. de and Aguiar, Mônica R. M. P. de and Guarino, Alcides W. S.},  year={2005},  month={May},  pages={565–570} }