@article{duyck_miekeley_fonseca_szatmari_santos neto_2008,  title={Trace element distributions in biodegraded crude oils and fractions from the Potiguar Basin, Brazil},  volume={19},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532008000500025},  DOI={10.1590/S0103-50532008000500025},  number={5},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Duyck, Christiane and Miekeley, Norbert and Fonseca, Teresa C. O. and Szatmari, Peter and Santos Neto, Eugênio Vaz dos},  year={2008},  pages={978–986} }