@article{bastos_braga_2018,  title={Different silicon forms sinalize an input of urbanized river and indicate the presence of phytoplankton with silicon structures in the tropical coastal area of Recife (PE-Brazil)},  volume={66},  ISSN={1679-8759},  url={https://doi.org/10.1590/S1679-87592018149206601},  DOI={10.1590/S1679-87592018149206601},  number={1},  journal={Brazilian Journal of Oceanography},  publisher={Universidade de São Paulo, Instituto Oceanográfico},  author={Bastos, Ana Teresa Cordeiro Cid and Braga, Elisabete de Santis},  year={2018},  month={Jan},  pages={104–114} }