@article{macedo_froehner_sanez_2017,  title={Spatial variation of metals and phosphorus in sediments of a river influenced by urbanization},  volume={22},  ISSN={2318-0331},  url={https://doi.org/10.1590/2318-0331.011716054},  DOI={10.1590/2318-0331.011716054},  journal={RBRH},  publisher={Associação Brasileira de Recursos Hídricos},  author={Macedo, Daniel and Froehner, Sandro and Sanez, Juan},  year={2017} }