@misc{S._[Stanisław]_z_Opatowa_Magdeburg,
 author={S. [Stanisław] z Opatowa},
 copyright={Jagiellonian University (edition)},
 howpublished={online},
 language={Latine},
 title={Magdeburg Weichbild MS in the Library of the Polish Academy of Sciences at Kórnik, Shelfmark 801},
}