@misc{Firminus_de_Bellavalle_(czynny_1338-45)_Opusculum,
 author={Firminus de Bellavalle (czynny 1338-45) and Pseudo-Hippocrates},
 howpublished={online},
 publisher={Erhard Ratdolt},
 language={lat},
 type={inkunabuł},
 title={Opusculum repertorii prognosticon in mutatione aeris. De medicorum astrologia},
 title={De medicorum astrologia},
}