@misc{indiciaeac6dfe58c84c,
  title = {Wavelength modulation spectroscopy: combined frequency and intensity laser modulation.},
  author = {Stéphane Schilt and Luc Thévenaz and Philippe Robert},
  year = {2003},
  doi = {10.1364/ao.42.006728},
  url = {https://pubmed.ncbi.nlm.nih.gov/14658477/},
  note = {Source identifier: 14658477}
}