@article{pfeiffer_rubner_schmidtmann_emde_senst_erdmann_1910, 
  title={Bestimmung des Magnesiumchlorids im Wasser}, 
  volume={49}, 
  DOI={10.1007/bf01469287}, 
  publisher={Springer Nature}, 
  author={Pfeiffer and Rubner and Schmidtmann and Emde and Senst and Erdmann}, 
  year={1910}
  }