2009BS ISO 3664:2009 Graphic technology and photography - Viewing conditions
1967BS 950-2:1967 Specification for artificial daylight for the assessment of colour - Viewing conditions for the graphic arts industry
BS ISO 3664:2009 Graphic technology and photography - Viewing conditions has been changed from BS 950-2:1967 Specification for artificial daylight for the assessment of colour - Viewing conditions for the graphic arts industry.