@misc{Witkowski_Zbigniew_The_1996, author={Witkowski, Zbigniew and Kosior, Andrzej}, volume={Nr 41}, copyright={Creative Commons Attribution BY 3.0 PL license}, journal={Studia Naturae}, address={Kraków}, howpublished={online}, year={1996}, publisher={Institute of Nature Conservation of the Polish Academy of Sciences}, language={pol}, title={The impact of skiing on selected groups of beetles (Coleoptera), bees (Apoidea) and butterflies (Lepidoptera) at the top of the Pilsko Massif}, type={Text}, URL={http://rcin.org.pl/Content/120343/PDF/KR038_94585_r1996-t41_SN-Witkowski-205-220.pdf}, keywords={Beskid Żywiecki Mountains, Pilsko Mt., hiking, skiing, beetles, bees, butterflies, Coleoptera, Apoidea, Lepidoptera}, }