@article{müller_stanisch_1909, 
  title={Berlinerblau und Turnbullsblau. I}, 
  volume={79}, 
  DOI={10.1002/prac.19090790106}, 
  publisher={Wiley}, 
  author={Müller and Stanisch}, 
  year={1909}, 
  month={Jan}
  }