@article{meireles_pereira_2013,  title={Synthesis of bio-additives: transesterification of ethyl acetate with glycerol using homogeneous or heterogeneous acid catalysts},  volume={24},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532013000100004},  DOI={10.1590/S0103-50532013000100004},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Meireles, Bruno A. and Pereira, Vera Lúcia P.},  year={2013},  month={Jan},  pages={17–57} }