@misc{Wirth_Franz_Theses,
 author={Wirth, Franz},
 howpublished={online},
 publisher={Dantisci},
 publisher={Typis Rhodianis},
 language={lat},
 type={stary druk},
 title={Theses Physicæ De Coelo, Quas Cœli conditore favente},
}