@article{ferreira_machado_zalmon_2004,  title={Temporal and spatial variation on heavy metal concentrations in the bivalve Perna perna (LINNAEUS, 1758) on the northern coast of Rio de Janeiro State, Brazil},  volume={47},  ISSN={1516-8913},  url={https://doi.org/10.1590/S1516-89132004000200020},  DOI={10.1590/S1516-89132004000200020},  number={2},  journal={Brazilian Archives of Biology and Technology},  publisher={Instituto de Tecnologia do Paraná - Tecpar},  author={Ferreira, Alexandre Gomes and Machado, André Luís dos Santos and Zalmon, Ilana Rosental},  year={2004},  month={Jun},  pages={319–327} }