Guidelines for minimizing urban sky glow near astronomical observatories (Joint Publication IAU/CIE)
standard by Commission Internationale de L'Eclairage, 01/01/1980
An analytic model for describing the influence of lighting parameters upon visual performance, 2nd ed., Vol.1.: Technical foundations
standard by Commission Internationale de L'Eclairage, 01/01/1981
An analytic model for describing the influence of lighting parameters upon visual performance, 2nd ed., Vol.2.: Summary and application guidelines
standard by Commission Internationale de L'Eclairage, 01/01/1981