@misc{_Acta_1979,
 volume={Vol. 21},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Acta Hydrobiologica},
 address={Warszawa},
 address={Kraków},
 howpublished={online},
 year={1979},
 publisher={Laboratory of Water Biology of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={pol},
 type={Text},
 title={Acta Hydrobiologica Vol. 21 Fasc. 1 (1979)},
}