@article{1998,  title={CARNAUBA WAX USED AS AN HYDROPHOBIC AGENT FOR EXPANDED VERMICULITE},  volume={15},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66321998000100010},  DOI={10.1590/S0104-66321998000100010},  number={1},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  year={1998},  month={Mar} }