@misc{Lubecki_Kazimierz_Adam_(1880–1939)_Estetyka_1910,
 author={Lubecki, Kazimierz Adam (1880–1939)},
 copyright={Public Domain},
 address={Kraków},
 howpublished={online},
 year={1910},
 publisher={[s. n.]},
 publisher={(Druk. "Prawda")},
 language={pol},
 type={Text},
 title={Estetyka ludowa},
 URL={http://www.rcin.org.pl/Content/16196/PDF/WA004_19855_P11520_Lubecki-Estetyka-lud_o.pdf},
 keywords={theory of popular art},
}