VDA 280-6B: Farbmessung am Kraftfahrzeug - Farbmessung an Fahrzeuggläsern im sichtbaren Spektralbereich - Farbmessung an Scheiben im transparenten Bereich in Reflexion (Version 12/2006) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2
VDA 280-6C: Colorimetry for motor vehicles - Colour measurement on vehicle glass in the visible spectral range - Colour measurement on mirrors in reflection (Version 04/2013) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2
VDA 280-6D: Colorimetry for motor vehicles - Colour measurement on vehicle glass in the visible spectral range - Colour measurement on windows and mirrors with direction dependent effects (Version 04/2008) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2
VDA 280-7: Colorimetry for motor vehicles - Process for the development of perceptual colour tolerances using visual colour matching (Version 05/2008, translated 04/2013) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2
VDA 280-8A: Colorimetry for Motor Vehicles - Visual Color Matching and Color Assessment - General Part A (Version 03/2014) - Gruppenlizenz (group license), AGB (GTC) Art. 10, 2