@misc{Włodek_Jan_Marian_Badania_1959,
 author={Włodek, Jan Marian},
 volume={Vol. 1},
 number={3-4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Acta Hydrobiologica},
 address={Kraków},
 howpublished={online},
 year={1959},
 publisher={Laboratory of Water Biology of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={ger},
 title={Badania biometryczne nad zimującymi karpiami},
 title={Biometrische Untersuchungen an den überwinternden Karpfen},
 type={Text},
 URL={http://rcin.org.pl/iop/Content/163471/PDF/KR038_182349_r1959-t1-no3-4_AH-Wlodek-215-220.pdf},
}