@misc{Niewiarowski_Stanisław_(16..-16..)_Corona,
 author={Niewiarowski, Stanisław (16..-16..)},
 howpublished={online},
 publisher={Drukarnia Franciszka Cezarego},
 language={lat},
 title={Corona Obsidionalis Invictissimo Liberatori Obsidionis [...] Vladislao IV [...]},
 type={starodruk},
}