@misc{Starmach_Janusz_Ryby_2003,
 author={Starmach, Janusz},
 volume={Vol. 6},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Supplementa ad Acta Hydrobiologica},
 howpublished={online},
 year={2003},
 publisher={Karol Starmach Institute of Freshwater Biology of the Polish Academy of Sciences},
 language={pol},
 title={Ryby i ich środowisko},
 type={Text},
 URL={http://rcin.org.pl/Content/158776/PDF/KR038_188309_r2003-t6_SadAH-Starmach-1-2.pdf},
 keywords={water biology},
}