@misc{Besler_Samuel_(1574-1625)_Heptalogus,
 author={Besler, Samuel (1574-1625)},
 howpublished={online},
 publisher={Georg Baumann},
 language={lat},
 type={starodruk muzyczny},
 title={Heptalogus In Cruce Pendentis Christi, Ad ipsum Crucifixum directus Voce sola Cum Basso generali pro Organo lamentatus},
}