@misc{_Popiel,
 howpublished={online},
 publisher={Actum in Castro Praemisliensi Sabbato post Faestum Sanctae Mariae Magdalenae proximo Anno Domini 1621},
 language={łaciński},
 title={Popiel consorti reformat},
 type={rękopis},
 keywords={Marek Kruszelnicki, Ilko Popiel, Iwan Popiel},
}