@misc{Zernov_Sergej_Alekseevič_(1871–1945)_Obŝaâ_1949,
 author={Zernov, Sergej Alekseevič (1871–1945)},
 copyright={Public Domain},
 address={Moskva;},
 address={Leningrad},
 howpublished={online},
 year={1949},
 publisher={Izdatel'stvo Akademii Nauk SSSR},
 language={rus},
 title={Obŝaâ gidrobiologiâ},
 type={Text},
 URL={http://rcin.org.pl/Content/186288/PDF/WA488_220744_3552_Zernov-Gidrobiologia.pdf},
 keywords={Hydrobiology - textbook, Hydrobiology - definition - scope - development - application - research methods - teaching},
}