@misc{Walter_Jan_Jakub._Essentia_[1753].,
 author={Walter, Jan Jakub.},
 copyright={-},
 address={[Lublini]},
 howpublished={online},
 year={[1753].},
 publisher={Typis Collegii Societatis Jesu},
 language={lat},
 type={a - dokument piśmienniczy (druk)},
 title={Essentia Linguae Italicae, Modernae Romanae / Jo. Jacobi Waltheri Erfurto Thuringi [...], Romae Jmpressa Lublini Reimpressa Anno Dom[ini] 1753.},
}