@misc{Holeksa_Jan_Wielkość_1997,
 author={Holeksa, Jan},
 volume={R. 54},
 editor={Institute of Nature Conservation of the Polish Academy of Sciences},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Protection of Nature},
 howpublished={online},
 year={1997},
 language={pol},
 type={Text},
 title={Wielkość rezerwatów a możliwość ochrony naturalnych ekosystemów leśnych},
 title={Size of reserves versus the possibility of protecting natural forest ekosystems},
 URL={http://rcin.org.pl/Content/121030/PDF/KR038_90229_r1997-r54_OP-Holeksa-3-13.pdf},
 keywords={forest ecosystems, forests - protection},
}