@article{amaral sobrinho_ceddia_zonta_souza_lima_2019,  title={BARIUM AND LEAD LEVELS IN SITES FOR DISPOSAL OF OIL WELL WASTE},  volume={32},  ISSN={1983-2125},  url={https://doi.org/10.1590/1983-21252019v32n422rc},  DOI={10.1590/1983-21252019v32n422rc},  number={4},  journal={Revista Caatinga},  publisher={Universidade Federal Rural do Semi-Árido},  author={AMARAL SOBRINHO, NELSON MOURA BRASIL DO and CEDDIA, MARCOS BACIS and ZONTA, EVERALDO and SOUZA, CAMILA DA COSTA BARROS DE and LIMA, ERICA SOUTO ABREU},  year={2019},  month={Oct},  pages={1060–1068} }