@article{mazzafera_zullo_1990,  title={Brassinosteróides em café},  volume={49},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051990000100004},  DOI={10.1590/S0006-87051990000100004},  number={1},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Mazzafera, Paulo and Zullo, Marco Antonio Teixeira},  year={1990},  pages={37–41} }