@article{gomes_vieira_pinheiro_marceliano_2009,  title={A first evaluation on the use of Ardea albus feathers as bioindicators of mercury burden in Amazonian ecosystems},  volume={39},  ISSN={0044-5967},  url={https://doi.org/10.1590/S0044-59672009000400025},  DOI={10.1590/S0044-59672009000400025},  number={4},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Gomes, Andreza Lourdes and Vieira, José Luiz Fernandes and Pinheiro, Maria da Conceição Nascimento and Marceliano, Maria Luiza Videira},  year={2009},  pages={969–971} }