@article{zoghbi_cunha_wolter filho_1993,  title={ESSENTIAL OIL OF <i>Protium unifoliolatum  </i> (BURSERACEAE)},  volume={23},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921993231016},  DOI={10.1590/1809-43921993231016},  number={1},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={ZOGHBI, Maria das G. B. and CUNHA, Emidio V. L. da and WOLTER FILHO, Wilson},  year={1993},  pages={15–16} }