@article{carvalho_1952,  title={Genética de Coffea: XIV - Hereditariedade do cálice petalóide em Coffea arábica L. Var. calycanthema K.M.C.},  volume={12},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051952000200002},  DOI={10.1590/S0006-87051952000200002},  number={4-6},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Carvalho, A.},  year={1952},  month={Apr},  pages={131–140} }