@misc{Spangenberg_Johann_(1484-1550)_Quæstiones,
 author={Spangenberg, Johann (1484-1550)},
 howpublished={online},
 publisher={[Sebastian Sternacki]},
 language={lat},
 title={Quæstiones Musicæ In usum Scholæ Northusianæ},
 type={starodruk},
}