@misc{Johannes_de_Sacrobosco_(ca_1195-1256)_Sphaera,
 author={Johannes de Sacrobosco (ca 1195-1256)},
 howpublished={online},
 publisher={Apud Gosuinum Cholinum},
 language={lat},
 type={stary druk},
 title={Sphaera Ioannis De SacroBosco Emendata, Avcta, Et Illvstrata : Eliæ Vineti Santonis scholia in eandem Sphæram, ab ipso Authore restituta [...] : Adiunximus huic libro compendium in Sphæram per Pierium Valerianum Bellunensem : Et Petri Nonii Salaciensis Demonstrationem eorum, quæ in extremo capite de climatibus Sacroboscus scribit de inæquali climatum latitudine : eodem Vineto interprete},
 keywords={17 w., wydawnictwa przed 1800, stare druki, astronomia},
}