@misc{Jessen_Hans_200,
 author={Jessen, Hans},
 address={Breslau},
 howpublished={online},
 publisher={Wilh. Gottl. Korn Verlag},
 language={ger},
 title={200 Jahre Wilhelm Gottlieb Korn Breslau 1732-1932},
 keywords={"Leopoldina online", Wrocław},
}