@article{schuchardt_sercheli_vargas_1998,  title={Transesterification of vegetable oils: a review},  volume={9},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531998000300002},  DOI={10.1590/S0103-50531998000300002},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Schuchardt, Ulf and Sercheli, Ricardo and Vargas, Rogério Matheus},  year={1998},  month={May},  pages={199–210} }