@misc{Michalik_Stefan_The_1990,
 author={Michalik, Stefan},
 volume={Suplement},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Studia Naturae},
 address={Kraków},
 howpublished={online},
 year={1990},
 publisher={Research Centre for the Protection of Nature and Natural Resources of the Polish Academy of Sciences},
 language={pol},
 title={The role and trends of the anthropogenic changes of vegetation exemplified by some characteristic protected objects in Southern Poland},
 type={Text},
 URL={http://www.rcin.org.pl/Content/168576/PDF/KR038_120492_r1990-Sup_SN-Michalik-111-140.pdf},
}