Geometrical Product Specifications (GPS) - Surface texture: Profile method - Terms, definitions and surface texture parameters - AMENDMENT 2: Parameters Xsm and Xc (ISO 4287:1997/DAM 2:2013); German version EN ISO 4287:1997/prA2:2013
Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:2019); Text in German and English