@article{machado_1972,  title={Universidade da Selva},  volume={2},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921972023003},  DOI={10.1590/1809-43921972023003},  number={3},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Machado, P. Almeida},  year={1972},  month={Dec},  pages={3–3} }