@misc{Gumpelzhaimer_Adam_(1559-1625)_Contrapvnctvs,
 author={Gumpelzhaimer, Adam (1559-1625)},
 howpublished={online},
 publisher={Valentinus Schoenigij},
 type={starodruk muzyczny},
 title={Contrapvnctvs qvatuor & qvinque vocum, ... Bassvs},
}