1. ISO 11562, Geometrical Product Specifications (GPS) – Surface Texture: Profile method – Metrological characteristics of phase correct filters. International Organization for Standardization, 1996.
2. ISO 4287, Geometrical Product Specifications (GPS) – Surface Texture: Profile method – Terms, definitions and surface texture parameters. International Organization for Standardization, 1997.
3. Technical committee for standardizing the software to characterize surface topographic data—in concert with the geometrical product specifications: Surface texture in ISO;Yanagi;J Jpn Soc Precision Eng,2003
4. Seewig J. Praxisgerechte Signalverarbeitung zur Trennung der Gestaltabweichungen technischer Oberflächen, Thesis, University of Hanover, November 1999.
5. Assessing roughness in three-dimensions using Gaussian regression filtering;Brinkmann;Int J Mach Tools Manuf,2001