@article{barbosa_medeiros_sampaio_vieira_wiedemann_veiga-junior_2012,  title={Influence of abiotic factors on the chemical composition of copaiba oil (Copaifera multijuga Hayne): soil composition, seasonality and diameter at breast height},  volume={23},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532012005000049},  DOI={10.1590/S0103-50532012005000049},  number={10},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Barbosa, Paula C. S. and Medeiros, Raquel S. and Sampaio, Paulo T. B. and Vieira, Gil and Wiedemann, Larissa S. M. and Veiga-Junior, Valdir F.},  year={2012},  month={Oct},  pages={1823–1833} }