Robuta

https://www.nist.gov/publications/photometry-and-colorimetry-retroreflection-state-measurement-accuracy-report
measurement accuracyphotometrycolorimetryretroreflectionstate
https://www.nist.gov/publications/uncertainty-analysis-reflectance-colorimetry-1
The uncertainty associated with the quantitative description of the color of an object is often necessary for determining the acceptability of that object for i
uncertainty analysisreflectancecolorimetrynist