@misc{Tret'âkov_Dmitrij_Konstantinovič_(1878–1950)_Ryby_1949,
 author={Tret'âkov, Dmitrij Konstantinovič (1878–1950)},
 copyright={Public Domain},
 journal={Itogi i Problemy Sovremennoj Nauki},
 address={Moskva ;},
 address={Leningrad},
 howpublished={online},
 year={1949},
 publisher={Izdatel'stvo Akademii Nauk SSSR},
 language={rus},
 type={Text},
 title={Ryby i kruglorotye : ih žizn' i značenie},
 URL={http://rcin.org.pl/ibd/Content/197087/PDF/WA488_233170_3165_Tretiakov-Ryby.pdf},
 keywords={Fishes, Round-mouthed fish},
}