@misc{indiciae22184b732b5d,
  title = {Model for laser action in vibronic systems.},
  author = {P Schwendimann and E Sigmund and K Zeile},
  year = {1988},
  doi = {10.1103/physreva.37.3018},
  url = {https://pubmed.ncbi.nlm.nih.gov/9900037/},
  note = {Source identifier: 9900037}
}