@misc{Gregerowic_Zygmunt_(_-1652)_Qvæstio,
 author={Gregerowic, Zygmunt ( -1652)},
 howpublished={online},
 publisher={Drukarnia Franciszka Cezarego},
 language={lat},
 type={starodruk},
 title={Qvæstio De Natvra Coeli In Alma Academia Crac. Disputationi publice proposita, Anno [...] 1621. Ad Diem Martii 19 Horam 14},
}