@misc{Gwiazda_Robert_Foraging_2006,
 author={Gwiazda, Robert},
 volume={Nr 51},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Studia Naturae},
 address={Warszawa},
 address={Kraków},
 howpublished={online},
 year={2006},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Foraging strategies of fish-eating birds in conditions of artificial reservoirs in Southern Poland},
 type={Text},
 URL={http://rcin.org.pl/Content/204239/PDF/KR038_93961_r2006-t51_SN-Gwiazda-1-112.pdf},
 keywords={artificial reservoirs, water birds},
}