@misc{Eberhard_Victor_(1861–1927)_Zur_1891,
 author={Eberhard, Victor (1861–1927)},
 copyright={Public Domain},
 address={Leipzig},
 howpublished={online},
 year={1891},
 publisher={Druck und Verlag von B. G. Teubner},
 language={ger},
 title={Zur Morphologie der Polyeder},
 type={Text},
 URL={http://www.rcin.org.pl/Content/68537/PDF/WA35_19167_6424_Zur-Morphologie.pdf},
}