@article{oliveira_sajo_1999,  title={Anatomia foliar de espécies epífitas de Orchidaceae},  volume={22},  ISSN={0100-8404},  url={https://doi.org/10.1590/S0100-84041999000300003},  DOI={10.1590/S0100-84041999000300003},  number={3},  journal={Brazilian Journal of Botany},  publisher={Sociedade Botânica de São Paulo},  author={OLIVEIRA, VIRGINIA DEL CARMEN and SAJO, MARIA DAS GRAÇAS},  year={1999},  month={Dec},  pages={365–374} }