@misc{Nagel_Johann_(1671-1732)_Illustris,
 author={Nagel, Johann (1671-1732)},
 howpublished={online},
 publisher={Regiomonti},
 publisher={Typis Friderici Reusneri ...},
 language={lat},
 title={Illustris Elbingæ Topographia},
}