@misc{indiciaea3ed078af02f,
  title = {Emission spectra of a Lambda -type quantum-beat three-level atom.},
  author = {MM Ashraf},
  year = {1994},
  doi = {10.1103/physreva.50.741},
  url = {https://pubmed.ncbi.nlm.nih.gov/9910945/},
  note = {Source identifier: 9910945}
}