@article{9650,
  author = {K. Evenson and J. Wells and F. Petersen and B. Danielson and G. Day and R. Barger and John Hall},
  title = {Speed of Light from Direct Frequency and Wavelength Measurements of the Methane-Stabilized Laser},
  year = {1972},
  journal = {Physical Review Letters},
  volume = {29},
  pages = {1346-1349},
  month = {Jan-11-1972},
  issn = {0031-9007},
  doi = {10.1103/PhysRevLett.29.1346},
}