@article{1977,  title={The chemical composition of Amazonian plants },  volume={7},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921977074495},  DOI={10.1590/1809-43921977074495},  number={4},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  year={1977},  month={Oct},  pages={495–495} }