@misc{Gerhardi_Jacob_(1595-1670_De,
 author={Gerhardi, Jacob (1595-1670},
 howpublished={online},
 publisher={Andrzej Hünefeld},
 language={lat},
 title={De Hypothetico Systemate Coeli Disputatio publica ordinaria In Gymnasio Dantiscano},
 type={starodruk},
}