@misc{Kopernik_Mikołaj_(1473-1543)_De,
 author={Kopernik, Mikołaj (1473-1543)},
 howpublished={online},
 publisher={per Iohannem Lufft},
 language={lat},
 type={starodruk},
 title={De Lateribvs Et Angvlis Triangulorum, tum planorum rectilineorum, tum Sphæricorum, libellus eruditissimus & utilissimus, cum ad plerasque Ptolemæi demonstrationes intelligendas, tum uero ad alia multa, scriptus a [...] D. Nicolao Copernico Toronensi. Additus est Canon semissium subtensarum rectarum linearum in Circulo},
 keywords={astronomia, trygonometria, Retyk, O obrotach sfer niebieskich, trójkąty},
}