@misc{indiciaecb02b128a425,
  title = {Pump-coupled masers: Transient regime.},
  author = {JA Bergou and M Hillery},
  year = {1991},
  doi = {10.1103/physreva.44.7502},
  url = {https://pubmed.ncbi.nlm.nih.gov/9905890/},
  note = {Source identifier: 9905890}
}