@misc{Illgen_Rolf_(1908-_)_Zur,
 author={Illgen, Rolf (1908- )},
 howpublished={online},
 publisher={Verlag Chemie},
 language={ger},
 type={book},
 title={Zur Strukturfrage der Azoxyverbindungen},
 keywords={chemistry, thesis},
}