@misc{indiciae64ff3ef37ce6,
  title = {Trace gas absorption spectroscopy using laser difference-frequency spectrometer for environmental application.},
  author = {W Chen and F Cazier and D Boucher and F K Tittel and P B Davies},
  year = {2001},
  url = {https://pubmed.ncbi.nlm.nih.gov/12143894/},
  note = {Source identifier: 12143894}
}