@misc{indiciaefe225ed948fa,
  title = {X-ray Echo Spectroscopy},
  author = {Shvydko, Yuri},
  year = {2016},
  doi = {10.1103/physrevlett.116.080801},
  url = {https://www.osti.gov/biblio/1245450},
  note = {Source identifier: 1245450}
}