GOST 8.332-2013 State system for ensuring the uniformity of measurements. Light measurements. Values of relative spectral luminous efficiency function of monochromatic radiation for photopic vision
2013GOST 8.332-2013 State system for ensuring the uniformity of measurements. Light measurements. Values of relative spectral luminous efficiency function of monochromatic radiation for photopic vision
1978GOST 8.332-1978 State system for ensuring the uniformity of measurements. Light measurements. Values of relative spectral light efficiency of monochromatic radiation for photopic vision