@misc{_Dies,
 howpublished={online},
 publisher={Drukarnia Jezuitów},
 language={lat},
 type={starodruk},
 title={Dies Parthenius. Sive. Quotidiana Pietatis Exercitia : Per totius Anni decursum A Marianis Cultoribus Saluberrimè obeundá},
}