@article{63441,
  author = {John Kitching and Leo Hollberg},
  title = {Interference-induced Optical Gain Without Population Inversion in Cold, Trapped Ions},
  year = {1999},
  number = {59},
  month = {1999-01-01},
  publisher = {Physical Review A (Atomic, Molecular and Optical Physics)},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=104980},
  language = {en},
}