@misc{Kopernik_Mikołaj_(1473-1543)_Nicolai, author={Kopernik, Mikołaj (1473-1543) and Rheticus (1514-1576). Narratio prima (łac.)}, howpublished={online}, publisher={Drukarnia Heinricha Petriego}, language={lat}, 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.}, title={Narratio prima}, type={starodruk}, }