@inbook{984,
  author = {Tara Fortier and D. Jones and Jun Ye and Steven Cundiff and R. Windeler},
  title = {Long term (>300 seconds) carrier envelope phase coherence of a train of ultrashort pulses},
  year = {2003},
  volume = {71},
  pages = {178-180},
  publisher = {Springer-Verlag},
  address = {Berlin},
  note = {JILA Pub. 7661},
}