@misc{_Protocollon,
 copyright={Archiwum Państwowe w Poznaniu},
 howpublished={online},
 language={lat},
 language={pol},
 type={archiwalia},
 type={akta},
 title={Protocollon actorum et causarum officii generosi domini Aleksandri Mielnicki de Mielno advocati haereditarii civitatis Gnesnensis ...},
}