@misc{indiciae9313f2dfb765,
  title = {Free-electron-laser model without the slowly-varying-envelope approximation.},
  author = {EH Haselhoff},
  year = {1994},
  doi = {10.1103/physreve.49.r47},
  url = {https://pubmed.ncbi.nlm.nih.gov/9961306/},
  note = {Source identifier: 9961306}
}