@misc{indiciaef98aaa9e9e6c,
  title = {Population inversion X-ray laser oscillator},
  author = {Halavanau, Aliaksei and Benediktovitch, Andrei and Lutman, Alberto A. (ORCID:0000000157919198) and DePonte, Daniel and Cocco, Daniele (ORCID:0000000323003290) and Rohringer, Nina and Bergmann, Uwe (ORCID:000000015639166X) and Pellegrini, Claudio (ORCID:0000000239580634)},
  year = {2020},
  doi = {10.1073/pnas.2005360117},
  url = {https://www.osti.gov/biblio/1634236},
  note = {Source identifier: 1634236}
}