TY - RPRT TI - Optical spectroscopic determination of hydrogen isotopes in aqueous mixtures : progress report AU - Broida, H P AU - Morowitz, H J AU - Selgin, M PY - 1953 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 3064 DO - 10.6028/NBS.RPT.3064 ER -