@misc{Thorell_Tamerlan_(1830–1901)_On_[1886],
 author={Thorell, Tamerlan (1830–1901)},
 copyright={Public Domain},
 address={[London?]},
 journal={Publications of famous biologists - a collection of prints},
 howpublished={online},
 year={[1886]},
 publisher={[unknown]},
 language={eng},
 title={On Dr. Bertkau's Classification of the Order Aranece, or Spiders},
 type={Text},
 URL={http://rcin.org.pl/Content/124520/PDF/WA488_156497_19746_s1141.pdf},
 keywords={Spiders (Araneae) - modifications in animal structure - classification system according to Dr. Bertkau},
}