@misc{[s.n.]_Farbentafel,
 author={[s.n.]},
 address={Breslau (Wrocław)},
 howpublished={online},
 publisher={[s.n.]},
 language={ger},
 title={Farbentafel},
 keywords={20 w., Wrocław, budownictwo, projekty},
}