@misc{Welin_Agnetendorf,
 author={Welin},
 address={Oldenburg in Holstein},
 howpublished={online},
 publisher={Kunstverlagsanstalt Julius Simonsen},
 language={ger},
 title={Agnetendorf im Riesengebirge},
 keywords={grafika niemiecka, akwaforta, Karkonosze (Riesengebirge), widoki, Jagniątków},
}