This European Standard specifies the initial performance requirements and laboratory test methods for
retroreflecting road studs intended for use as permanent and temporary road marking materials.
BS EN 1463-1:2009 Referenced Document
EN 1463-2:2000 Road marking materials - Retroreflecting road studs - Part 2: Road test performance specifications
ISO 10526 CIE standard illuminants for colorimetry; Technical Corrigendum 1
ISO 10527 CIE standard colorimetric observers; Technical Corrigendum 1