@misc{Frosch_Johannes_(ca_1480-1533)_Rerum_1535, author={Frosch, Johannes (ca 1480-1533)}, year={1535}, rights={Domena publiczna (Public domain)}, publisher={Schöffer, Peter (ca 1475-1547). Druk.}, description={Zawiera nuty}, language={lat}, title={Rerum Musicarum Opusculum Rarum Ac Insigne […]}, type={stary druk}, keywords={muzyka - 16 w., teoria muzyki - 16 w.}, }