@misc{_Actum,
 howpublished={online},
 publisher={[s. n.]},
 language={pol},
 type={stary druk},
 title={Actum in Castro Ravensi sub Interregno feria quinta post Festum Sanctæ Margarethæ Virginis & Martyris proxima Anno Domini Millesimo Sexcēntesimo Nonagesimo Septimo},
 keywords={Polska-historia-17 w.},
}