TY - RPRT TI - Sub-doppler frequency measurements on OCS at 87 THz (3.4 *m) with the CO overtone Laser: considerations and details AU - Dax, Adrien M PY - 1994 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 1365 DO - 10.6028/NIST.TN.1365 ER -