@misc{Martyka_Rafał_The_1999,
 author={Martyka, Rafał and Skórka, Piotr},
 volume={55},
 number={6},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Let's protect Our Indigenous Nature},
 address={Kraków},
 howpublished={online},
 year={1999},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={The former carbide residue sedimentation basin of the Nitrogen Works in Tarnów as a refuge of waterfowl},
 type={Text},
 URL={http://www.rcin.org.pl/Content/141256/PDF/KR038_167851_r1999-t55-no6_ChPO-Martyka-48-54.pdf},
}