@article{sieglitz_jassoy_1921, 
  title={Studien in der Fluoren-Reihe. (6. Mitteilung)}, 
  volume={54}, 
  DOI={10.1002/cber.19210540846}, 
  publisher={Wiley}, 
  author={Sieglitz and Jassoy}, 
  year={1921}, 
  month={Sep}
  }