@inbook{7073,
  author = {K.K. Lehmann and G. Berden and R. Engeln},
  title = {An Introduction to Cavity Ring-Down Spectroscopy},
  year = {2009},
  journal = {Cavity Ring-Down Spectroscopy; Techniques and Applications},
  publisher = {Wiley-Blackwell},
  language = {eng},
}