@article{nottbohm_weißwange_1912, 
  title={Verfahren zur Eisenbestimmung in Milch}, 
  volume={23}, 
  DOI={10.1007/bf02006338}, 
  number={10}, 
  publisher={Springer Nature}, 
  author={Nottbohm and Weißwange}, 
  year={1912}
  }