@misc{Kajtoch_Łukasz_Wpływ_2007, author={Kajtoch, Łukasz}, 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={Wpływ przekształceń podgórskich dolin rzecznych na ptaki i ich ochronę}, type={Text}, URL={http://www.rcin.org.pl/Content/79408/PDF/KR038_98054_r2007_IntegOP-Kajtoch-117-123.pdf}, keywords={birds - protection, river valleys, regulation of rivers}, }