@misc{Sigurd_Erixon_Vom,
 author={Sigurd Erixon and Hans Fehr and Eugen Fehrle},
 howpublished={online},
 publisher={Herbert Stubenrauch Verlagsbuchhandlung},
 language={ger},
 title={Vom Wesen der Volkskunst.},
 type={książka},
 keywords={sztuka ludowa},
}