@misc{Wilkowski_Krzysztof_(_-1647)_Qvæstio,
 author={Wilkowski, Krzysztof ( -1647)},
 howpublished={online},
 publisher={Drukarnia Marcina Filipowskiego},
 language={lat},
 title={Qvæstio De Efficientia Cavsarvm Secvndarvm},
 type={starodruk},
}