@misc{Theodor_Eismann_Berlin.,
 author={Theodor Eismann},
 howpublished={online},
 publisher={Theodor Eismann},
 type={postkarte},
 title={Berlin. Nationalgallerie u. Friedrichsbrücke},
 keywords={Postkarte, Grafikdesign, Museumssammlungen, Museum Zoppot},
}