@article{129141,
  author = {C Bucher and K Lehmann and David Plusquellic and Gerald Fraser},
  title = {Doppler-Free Nonlinear Absorption in C<sub>2</sub>H<sub>4</sub> Using CW Cavity Ring-down Spectroscopy},
  year = {2000},
  number = {39},
  month = {2000-01-01},
  publisher = {Applied Optics},
  language = {en},
}