@article{chung_1980,  title={The acute toxicity of four heavy metals (Cd++, Cr+++, Cu++, and Zn++) to the juvenile spotted brown shrimp (Penaeus brasiliensis)},  volume={29},  ISSN={0373-5524},  url={https://doi.org/10.1590/S0373-55241980000200022},  DOI={10.1590/S0373-55241980000200022},  number={2},  journal={Boletim do Instituto Oceanográfico},  publisher={Instituto Oceanográfico da Universidade de São Paulo},  author={Chung, K. S.},  year={1980},  pages={101–106} }