DIN EN ISO /CIE 11664-4 - DRAFT Draft Document - Colorimetry - Part 4: CIE 1976 L*a*b* colour space (ISO/CIE FDIS 11664-4:2019); German and English version prEN ISO/CIE 11664-4:2019

standard by DIN-adopted European-adopted ISO Standard, 04/01/2019