Geometrical product specifications (GPS) - Surface texture: Areal - Part 3: Specification operators (ISO/DIS 25178-3.2:2009); German version prEN ISO 25178-3:2009
Geometrical product specifications (GPS) - Surface texture: Areal - Part 2: Terms, definitions and surface texture parameters (ISO 25178-2:2012); German version EN ISO 25178-2:2012— 61 стр.
Geometrical product specifications (GPS) - Surface texture: Areal - Part 3: Specification operators (ISO 25178-3:2012); German version EN ISO 25178-3:2012— 24 стр.