@misc{[s.n.]_Jmperatoris,
 author={[s.n.]},
 address={[s.l.]},
 howpublished={online},
 publisher={[s.n.]},
 language={lat},
 type={tekst},
 title={Jmperatoris Caesaris Ferdinandi II [...]},
 keywords={Wrocław, 17 w., Wratislaviana, druki ulotne},
}