@article{giesel_1903, 
  title={On Polonium and the Inducing Character of Radium}, 
  volume={56}, 
  DOI={10.1038/scientificamerican08291903-23123supp}, 
  number={1443supp}, 
  publisher={Springer Nature}, 
  author={Giesel}, 
  year={1903}, 
  month={Aug}
  }