@misc{indiciaed70aa5a2bf50,
  title = {OPTICAL MASERS (LASERS).},
  author = {W T HAM and R C WILLIAMS and W J GEERAETS and R S RUFFIN and H A MUELLER},
  year = {1963},
  doi = {10.1111/j.1755-3768.1963.tb05166.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14078645/},
  note = {Source identifier: 14078645}
}