@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}, }