@misc{indiciaec226af1187d5,
  title = {Methods for conditioning electron beams in free-electron lasers.},
  author = {P Sprangle and B Hafizi and G Joyce and P Serafim},
  year = {1993},
  doi = {10.1103/physrevlett.70.2896},
  url = {https://pubmed.ncbi.nlm.nih.gov/10053681/},
  note = {Source identifier: 10053681}
}