@misc{Perzanowska_Joanna_Wycieczka_2007, author={Perzanowska, Joanna}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Kraków}, howpublished={online}, year={2007}, publisher={Institute of Nature Conservation of the Polish Academy of Sciences}, language={pol}, title={Wycieczka III - Dolinki Jurajskie}, title={Dolinki Jurajskie - przyroda}, type={Text}, URL={http://rcin.org.pl/iop/Content/116402/PDF/KR038_133471_r2007_WarSPKriO-Perzanowska-54-55.pdf}, keywords={Kraków - nature}, }