@misc{indiciae9794574f7a8f,
  title = {Periodically locked continuous-wave cavity ringdown spectroscopy.},
  author = {Nicola J van Leeuwen and Jan C Diettrich and Andrew C Wilson},
  year = {2003},
  doi = {10.1364/ao.42.003670},
  url = {https://pubmed.ncbi.nlm.nih.gov/12833973/},
  note = {Source identifier: 12833973}
}