@misc{Šmidt_Petr_Ûl'evič_(1872–1949)_Migracii_1936,
 author={Šmidt, Petr Ûl'evič (1872–1949)},
 copyright={Public Domain},
 address={Moskva ;},
 address={Leningrad},
 howpublished={online},
 year={1936},
 publisher={Gosudarstvennoe Izdatel'stvo Biologičeskoj i Medicinskoj Literatury},
 language={rus},
 title={Migracii ryb},
 type={Text},
 URL={http://www.rcin.org.pl/Content/205993/PDF/WA488_235164_8650_Szmidt-Migracii-ryb.pdf},
 keywords={Fish - migration},
}