@misc{indiciaeab196f8694e5,
  title = {Optical absorption and emission in simple systems: Beyond the rotating-wave approximation.},
  author = {A D'Andrea},
  year = {1989},
  doi = {10.1103/physreva.39.5143},
  url = {https://pubmed.ncbi.nlm.nih.gov/9901080/},
  note = {Source identifier: 9901080}
}