@article{2056,
  author = {M. Thorpe and Jun Ye},
  title = {Cavity-enhanced direct frequency comb spectroscopy},
  year = {2008},
  journal = {Applied Physics B},
  volume = {91},
  pages = {397-414},
  month = {2008-06},
  issn = {0946-2171},
  doi = {10.1007/s00340-008-3019-1},
}