|manuscript of Nicholas Copernicus ``On the revolutions'': facsimile - Kopernik, Mikołaj (MacmillanPolish Scientific Publishers, 1972)
[ed. by Paweł Czartoryski ; introd. by Jerzy Zathey ; transl. by Zygmunt Nierada and Erna Hilfstein ; supervised by Edward Rosen] ; Polish Academy of Science.
Keywords: Astronomia