1. ISO 3274:1996, GPS-Surface texture: Profile method; Nominal characteristics of contact (stylus) instruments.
2. Properties of engineering surface irregularities based on fractal dimension (2nd Report);Ito;J. JSPE,1992
3. Fractal or fiction;Whitehouse;Wear,2001
4. ISO 5436-1:2000, GPS-Surface texture: Profile method; Measurement standards-Part 1: Material measures.
5. Roughness parameters affected with the mean line and center line systems;Hara;J. JSPE,1996