1. ISO 16610-21:2011, Geometrical product specifications (GPS) – Filtration – Part 21: Linear profile filters: Gaussian filters,0
2. ISO 11562:1996, Geometrical Product Specifications (GPS) – Surface texture: Profile method – Metrological characteristics of phase correct filters,0
3. Analysis of roughness of a sanded wood surface
4. ISO 4288:1998, Geometrical Product Specification GPS – Surface texture: Profile method – Rules and procedures fort he assessment of surface texture,0
5. ISO 16610-28:2016, Geometrical Product Specifications (GPS) – Filtration – Part 28: Profile filters: End effects,0