@misc{indiciae9abc590f19cf,
  title = {Phase-matching segmented wigglers in free-electron lasers.},
  author = {H P Freund},
  year = {2004},
  doi = {10.1103/physreve.70.015501},
  url = {https://pubmed.ncbi.nlm.nih.gov/15324119/},
  note = {Source identifier: 15324119}
}