@misc{Hessus_Helius_Eobanus_(1488-1540)._De,
 author={Hessus, Helius Eobanus (1488-1540).},
 howpublished={online},
 publisher={Apud Chr. Egen.},
 language={lat},
 title={De Tvenda Bona Valetvdine},
 type={stary druk},
}