@article{spoladore_boaventura_saes_1987,  title={Teor de cafeína em sementes matrizes do guaranazeiro},  volume={46},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051987000200022},  DOI={10.1590/S0006-87051987000200022},  number={2},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Spoladore, Dayse Soave and Boaventura, Marco Antonio Milan and Saes, Luis Alberto},  year={1987},  pages={425–429} }