@misc{Piłat_Robert_(1959–_)_O_2007, author={Piłat, Robert (1959– )}, copyright={Rights Reserved - Free Access}, address={Warszawa}, journal={Umysł}, howpublished={online}, year={2007}, publisher={Wydawnictwo Instytutu Filozofii i Socjologii PAN}, language={pol}, title={O istocie pojęć}, type={Text}, URL={http://www.rcin.org.pl/Content/26988/PDF/WA004_32892_P81561_Pilat-O-istocie_o.pdf}, keywords={concepts}, }