@article{paula_1977,  title={Anatomia de madeiras da Amazônia com vistas à polpa e papel},  volume={7},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921977072273},  DOI={10.1590/1809-43921977072273},  number={2},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Paula, José Elias de},  year={1977},  month={Jun},  pages={273–288} }