@article{santos_mariath_1999,  title={Storage substances in the androgametogenesis and mature pollen grain of Ilex paraguariensis St. Hil. (Aquifoliaceae)},  volume={22},  ISSN={0100-8404},  url={https://doi.org/10.1590/S0100-84041999000200003},  DOI={10.1590/S0100-84041999000200003},  number={2},  journal={Brazilian Journal of Botany},  publisher={Sociedade Botânica de São Paulo},  author={SANTOS, RINALDO PIRES DOS and MARIATH, JORGE ERNESTO DE ARAUJO},  year={1999},  month={Aug},  pages={125–131} }