@misc{Łajczak_Adam_The_1996,
 author={Łajczak, Adam},
 volume={Nr 41},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Studia Naturae},
 howpublished={online},
 year={1996},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 type={Text},
 title={The influence of skiing and hiking on soil erosion at the top of the Pilsko Massif},
 URL={http://rcin.org.pl/Content/120341/PDF/KR038_92870_r1996-t41_SN-Lajczak-131-159.pdf},
 keywords={Beskid Żywiecki Mountains, Pilsko Mt., hiking, skiing},
}