@misc{indiciaefb9e3d69dfd7,
  title = {ac free-electron laser.},
  author = {YT Yan and JM Dawson},
  year = {1986},
  doi = {10.1103/physrevlett.57.1599},
  url = {https://pubmed.ncbi.nlm.nih.gov/10033495/},
  note = {Source identifier: 10033495}
}