@misc{Witkowski_Andrzej_(1947–2017)_Lipień_1975,
 author={Witkowski, Andrzej (1947–2017)},
 volume={Vol. 17},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 address={Kraków},
 journal={Acta Hydrobiologica},
 howpublished={online},
 year={1975},
 publisher={Laboratory of Water Biology of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={eng},
 language={pol},
 type={Text},
 title={Lipień (Thymallus thymallus (L.)) rzek Dolnego Śląska},
 title={The grayling (Thymallus thymallus (L.)) from the rivers of Lower Silesia},
 URL={http://www.rcin.org.pl/Content/196729/PDF/KR038_174204_r1975-t17-no4_AH-Witkowski-355-370.pdf},
 keywords={grayling, Thymallus thymallus},
}