@misc{indiciaeb9c866cd215f,
  title = {Microscopic approach to correlation-induced frequency shifts.},
  author = {GV Varada and GS Agarwal},
  year = {1991},
  doi = {10.1103/physreva.44.7626},
  url = {https://pubmed.ncbi.nlm.nih.gov/9905901/},
  note = {Source identifier: 9905901}
}