International Union of Pure and Applied Chemistry, Physical Chemistry Division, Commission on Molecular Structure and Spectroscopy, and International Federation of Clinical Chemistry (IFCC), Scientific Committee, Analytical Section, Expert Panel on Quantities and Units. Approved recommendation (1985) on names, symbols, definitions and units of quantities in optical spectroscopy.
D012031:Refractometry; D013057:Spectrum Analysis / Q000592:standards*; D009626:Terminology as Topic; D014894:Weights and Measures