@misc{Tworek_Stanisław_Turystyka_2003,
 author={Tworek, Stanisław and Cierlik, Grzegorz},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 howpublished={online},
 year={2003},
 publisher={Institute of Nature Conservation of the Polish Academy of Sciences},
 language={pol},
 title={Turystyka na obszarach Natura 2000},
 type={Text},
 URL={http://www.rcin.org.pl/Content/145795/PDF/KR038_166033_r2003_EkSN2000-Tworek-163-168.pdf},
 keywords={tourism - environmental aspect, NATURA 2000},
}