@misc{Kopernik_Mikołaj_(1473-1543)._Nicolai,
 author={Kopernik, Mikołaj (1473-1543).},
 howpublished={online},
 publisher={Ex Officina Henricpetrina},
 title={Nicolai Copernici Torinensis De Revolutionibus orbium coelestium, Libri VI : [...] item De Libris Revolutionum Nicolai Copernici Narratio prima, per M. Georgium Ioachimum Rheticum ad D. Ioan. Schonerum scripta.},
 type={stary druk},
}