@misc{Naarssen_Johannes_van_(1580-1647)_Riga,
 author={Naarssen, Johannes van (1580-1647)},
 howpublished={online},
 publisher={Rigæ Livonum},
 publisher={Excudebat Gerhardus Schröder},
 language={lat},
 type={stary druk},
 title={Riga Devicta Ab Augustissimo Principe Gvstavo Adolpho Svecorvm,Gothorvm,Vandalorvmqve Rege [...]},
}