@misc{Sowa_Ryszard_Nowe_1961,
 author={Sowa, Ryszard},
 volume={Vol. 3},
 number={1},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Acta Hydrobiologica},
 address={Kraków},
 howpublished={online},
 year={1961},
 publisher={Laboratory of Water Biology of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Nowe stanowisko jętki Ephemerella karelica (Tiensuu) (=Eurylophella karelica Tiensuu)},
 title={New stand of the Ephemerellakarelica (Tiensuu) (=Eurylophella karelica Tiensuu)},
 type={Text},
 URL={http://www.rcin.org.pl/Content/158625/PDF/KR038_182587_r1961-t3-no1-AH-Sowa-59-62.pdf},
}