@misc{Crappius_Andreas_(1542-1623)_Sacrae,
 author={Crappius, Andreas (1542-1623)},
 howpublished={online},
 publisher={Andreas Geben},
 type={starodruk muzyczny},
 title={Sacrae Aliqvou cantiones qvinqve et sex vocvm. Qvinta Vox},
}