@article{gallivan_1981,  title={Hipoxia e hipercapnia no controle respiratório do peixe-boi da Amazônia (Trichechus inunguis)},  volume={11},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921981114679},  DOI={10.1590/1809-43921981114679},  number={4},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Gallivan, G. J.},  year={1981},  month={Dec},  pages={679–687} }