@misc{indiciae3d7ae971f60e,
  title = {Ambient formaldehyde detection with a laser spectrometer based on difference-frequency generation in PPLN},
  author = {Rehle, D. and Leleux, D. and Erdelyi, M. and Tittel, F. and Fraser, M. and Friedfeld, S.},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20040087933},
  note = {Source identifier: 20040087933}
}