@misc{Usper_Francesco_Spongia_(1561-1641)_Compositioni, author={Usper, Francesco Spongia (1561-1641)}, howpublished={online}, publisher={Bartolomeo Magni}, language={ita}, title={Compositioni armoniche nelle quali si contengono, Motetti Sinfonie Sonate. Alto}, type={starodruk muzyczny}, }