@misc{Kopernik_Mikołaj_(1473-1543)_De,
 author={Kopernik, Mikołaj (1473-1543)},
 howpublished={online},
 publisher={Hans Lufft},
 publisher={Rheticus},
 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},
 title={Canon subtensarum rectarum linearum in circulo},
}