@article{costa_carvalho_1960, volume={19}, ISSN={0006-8705}, url={https://doi.org/10.1590/S0006-87051960000100094}, DOI={10.1590/S0006-87051960000100094}, number={unico}, journal={Bragantia}, publisher={Instituto Agronômico de Campinas}, author={Costa, A. S. and Carvalho, Ana Maria B.}, year={1960}, pages={CXXXI–CXL} }