@misc{indiciae60e913d110ab,
  title = {High-gain harmonic generation free-electron laser with variable wavelength.},
  author = {Timur Shaftan and Li Hua Yu},
  year = {2005},
  doi = {10.1103/physreve.71.046501},
  url = {https://pubmed.ncbi.nlm.nih.gov/15903798/},
  note = {Source identifier: 15903798}
}