@misc{Zając_Katarzyna_Obszary_2003,
 author={Zając, Katarzyna},
 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},
 type={Text},
 title={Obszary Natura 2000 w dolinach rzecznych},
 URL={http://rcin.org.pl./Content/117082/PDF/KR038_131513_r2003_EkSN2000-Zajac-135-147.pdf},
 keywords={river valleys, NATURA 2000},
}