@misc{indiciaea7885910a92f,
  title = {Tunable x-ray laser.},
  author = {P Kálmán},
  year = {1994},
  doi = {10.1103/physreva.49.620},
  url = {https://pubmed.ncbi.nlm.nih.gov/9910274/},
  note = {Source identifier: 9910274}
}