@misc{indiciae4f4a2fcd4962,
  title = {Oxygen 2s spectroscopy.},
  author = {W Ranke and HJ Kuhr},
  year = {1989},
  doi = {10.1103/physrevb.39.1595},
  url = {https://pubmed.ncbi.nlm.nih.gov/9948373/},
  note = {Source identifier: 9948373}
}