@misc{Włodek_Jan_Marian_Karp_1963,
 author={Włodek, Jan Marian},
 volume={Vol. 5},
 number={4},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Acta Hydrobiologica},
 howpublished={online},
 year={1963},
 publisher={Laboratory of Water Biology of the Polish Academy of Sciences},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={ger},
 type={Text},
 title={Karp niebieski w gospodarstwie Landek},
 title={Der blaue Karpfen aus der Teichwirtschaft Landek},
 URL={http://rcin.org.pl/Content/186325/PDF/KR038_183104_r1963-t5-no4_AH-Wlodek-383-401.pdf},
}