@misc{Welin_Burg,
 author={Welin},
 address={Oldenburg in Holstein},
 howpublished={online},
 publisher={Kunstverlagsanstalt Julius Simonsen},
 language={ger},
 title={Burg Kynast bei Hermsdorf},
 keywords={grafika niemiecka, akwaforta, zamki, Karkonosze (Riesengebirge), widoki, Chojnik (zamek)},
}