TY - JOUR AU - K. Evenson AU - J. Wells AU - F. Petersen AU - B. Danielson AU - G. Day AU - R. Barger AU - John Hall BT - Physical Review Letters DA - Jan-11-1972 DO - 10.1103/PhysRevLett.29.1346 PY - 1972 SP - 1346 EP - 1349 T2 - Physical Review Letters TI - Speed of Light from Direct Frequency and Wavelength Measurements of the Methane-Stabilized Laser VL - 29 SN - 0031-9007 ER -