@article{rodrigues_2000,  title={Isotope stratigraphy in petroleum exploration},  volume={72},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652000000400027},  DOI={10.1590/S0001-37652000000400027},  number={4},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Rodrigues, René},  year={2000},  month={Dec},  pages={606–606} }