@misc{indiciaee13d158acd81,
  title = {Interference between nonresonant three-photon absorption and third-harmonic generation and the cancellation of four-photon resonances.},
  author = {M Elk and P Lambropoulos and X Tang},
  year = {1991},
  doi = {10.1103/physreva.44.r31},
  url = {https://pubmed.ncbi.nlm.nih.gov/9905748/},
  note = {Source identifier: 9905748}
}