@article{2004,  title={Carta de Tycho Brahe a Johannes Kepler em Graz},  volume={2},  ISSN={1678-3166},  url={https://doi.org/10.1590/S1678-31662004000400006},  DOI={10.1590/S1678-31662004000400006},  number={4},  journal={Scientiae Studia},  publisher={Universidade de São Paulo, Departamento de Filosofia},  year={2004},  month={Oct},  pages={567–578} }