@misc{Alexandrowicz_Zofia_Jubileuszowy_1992,
 author={Alexandrowicz, Zofia},
 volume={R. 50, część I},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Protection of Nature},
 howpublished={online},
 year={1992},
 publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={Jubileuszowy pięćdziesiąty rocznik "Ochrona Przyrody" - osiągnięcia i program},
 title={The jubilee 50th issue of the annual "Ochrona Przyrody" - achievements and programme},
 URL={http://rcin.org.pl/iop/Content/147809/PDF/KR038_90219_r1992-r50-1_OP-Alexandrowicz-5-10.pdf},
}