@article{pompeu_1963,  title={Polinização cruzada natural no feijoeiro},  volume={22},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051963000100005},  DOI={10.1590/S0006-87051963000100005},  number={unico},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Pompeu, Antonio Sidney},  year={1963},  pages={53–58} }