@misc{Camphausen_Otto_(1812-1896)_Brief,
 author={Camphausen, Otto (1812-1896) and Humboldt, Alexander von (1769-1859)},
 howpublished={online},
 language={ger},
 type={rękopis},
 title={Brief von Otto Camphausen an Alexander von Humboldt},
 keywords={rękopisy},
}