@article{vargas_borém_silva_1999,  title={Técnica de cruzamentos controlados em Euphorbia heterophylla L.},  volume={58},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051999000100004},  DOI={10.1590/S0006-87051999000100004},  number={1},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={VARGAS, LEANDRO and BORÉM, ALUÍZIO and SILVA, ANTONIO ALBERTO DA},  year={1999},  pages={23–27} }