TY - RPRT TI - Wavenumber calibration tables from heterodyne frequency measurements AU - Maki, Arthur G AU - Maki, Arthur G AU - Wells, Joseph S PY - 1991 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 821 DO - 10.6028/NIST.SP.821 ER -