@misc{indiciae1facfb631ccd,
  title = {Continuous-wave second-harmonic generation in sodium vapor.},
  author = {BD Sinclair and MH Dunn},
  year = {1986},
  doi = {10.1103/physreva.34.3989},
  url = {https://pubmed.ncbi.nlm.nih.gov/9897744/},
  note = {Source identifier: 9897744}
}