@misc{indiciae6258c6813c11,
  title = {Cooperative atomic interactions in a single-mode laser.},
  author = {S Mahmood and MS Zubairy},
  year = {1987},
  doi = {10.1103/physreva.35.425},
  url = {https://pubmed.ncbi.nlm.nih.gov/9897970/},
  note = {Source identifier: 9897970}
}