@misc{indiciaed3bcc21012c7,
  title = {High-density thick-beam free-electron laser.},
  author = {A Fruchtman},
  year = {1988},
  doi = {10.1103/physreva.37.4259},
  url = {https://pubmed.ncbi.nlm.nih.gov/9899551/},
  note = {Source identifier: 9899551}
}