@article{abreu_moura_costa_moura_2017,  title={Strontium and Nickel Heterogeneous Catalysts for Biodiesel Production from Macaw Oil},  volume={28},  ISSN={0103-5053},  url={https://doi.org/10.5935/0103-5053.20160181},  DOI={10.5935/0103-5053.20160181},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Abreu, Wiury C. de and Moura, Carla V. R. de and Costa, Jean C. S. and Moura, Edmilson M. de},  year={2017},  month={Feb},  pages={319–327} }