@article{krug_1949,  title={Mutações em Coffea arabica L.},  volume={9},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87051949000100001},  DOI={10.1590/S0006-87051949000100001},  number={1-4},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Krug, C. A.},  year={1949},  pages={1–10} }