@misc{Riegl_Alois_(1858–1905)_Stilfragen_1923,
 author={Riegl, Alois (1858–1905)},
 copyright={Public Domain},
 address={Berlin},
 howpublished={online},
 year={1923},
 publisher={R. C. Schmidt & Co.},
 language={ger},
 title={Stilfragen : Grundlegungen zu einer Geschichte der Ornamentik},
 URL={http://www.rcin.org.pl/iae/Content/8292/PDF/WA308_6290_II1769_STILFRAGEN_I.pdf},
 keywords={history of art, decorative art, decorative motifs, ornamentation -- beginnings, geometric ornamentation, plant ornamentation},
}