@article{costa_silva_2016,  title={SYNTHESIS OF PROPYLENE FROM ETHANOL USING PHOSPHORUS-MODIFIED HZSM-5},  volume={33},  ISSN={0104-6632},  url={https://doi.org/10.1590/0104-6632.20160333s20150123},  DOI={10.1590/0104-6632.20160333s20150123},  number={3},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Costa, R. S. and Silva, M. A. P. da},  year={2016},  month={Jul},  pages={503–513} }