@misc{Krüger_Leopold_(Karl_Wilhelm)_(1861–1942)_Die_1903,
 author={Krüger, Leopold (Karl Wilhelm) (1861–1942)},
 copyright={Public Domain},
 address={[Stettin]},
 journal={Publications of famous biologists - a collection of prints},
 howpublished={online},
 year={1903},
 publisher={[unknown]},
 language={ger},
 title={Die Arten der Odonaten-Gattung Neurothemis},
 type={Text},
 URL={http://www.rcin.org.pl/Content/74450/PDF/526.pdf},
 keywords={Insects, Insects - dragonflies (Odonata, Neurothemis), Dragonflies (Odonata, Neurothemis) - description of insects, Dragonflies (Odonata, Neurothemis) - variation of the species},
}