@misc{Osten-Sacken_Carl_Robert_(1828–1906)_Characters_1886,
 author={Osten-Sacken, Carl Robert (1828–1906)},
 copyright={Public Domain},
 journal={Publications of famous biologists - a collection of prints},
 address={Heidelberg},
 address={(Altenburg)},
 howpublished={online},
 year={1886},
 publisher={[unknown]},
 publisher={(Printed by Stephan Geibel & Co. Pierer’s office)},
 language={eng},
 type={Text},
 title={Characters of the larvae of Mycetophilidae},
 URL={http://www.rcin.org.pl/Content/118031/PDF/s975.pdf},
 keywords={Insects (Mycetophilidae) - larval forms - comparative description of the external anatomy},
}