AS/NZS 1301.520:2016 Methods of test for pulp and paper Part 520: Measurement of diffuse radiance factor (diffuse reflectance factor)-Outdoor daylight conditions (D65 brightness)
2016AS/NZS 1301.520:2016 Methods of test for pulp and paper Part 520: Measurement of diffuse radiance factor (diffuse reflectance factor)-Outdoor daylight conditions (D65 brightness)