@misc{Szafer_Władysław_(1886–1970)_Kartoteka_Unpublished, author={Szafer, Władysław (1886–1970)}, copyright={Public Domain}, howpublished={online}, year={Unpublished}, language={mul}, title={Kartoteka "Biblioteka Prof. Władysława Szafera" : Trav-U}, type={Text}, URL={http://www.rcin.org.pl/Content/79215/PDF/KR171_93978_Kart-Szafera_Tre-U.pdf}, }