@misc{indiciae5bbc7de992d7,
  title = {Lasing without population inversion in a simple three-level atomic system.},
  author = {Sq Gong and Hg Teng and Zz Xu},
  year = {1995},
  doi = {10.1103/physreva.51.3382},
  url = {https://pubmed.ncbi.nlm.nih.gov/9911985/},
  note = {Source identifier: 9911985}
}