Wheat flour and durum wheat semolina - Determination of colour by diffuse reflectance colorimetry (ISO 16624:2020); German version EN ISO 16624:2020— 18 стр.
Wheat flour and durum wheat semolina - Determination of the colour by reflectance diffused colorimetry (ISO/DIS 16624:2019); German and English version prEN ISO 16624:2019