1. Surface Topography in Engineering: A State of the Art Review and Bibliography;Thomas;Brit. Hydromech. Res. Assn., Cranfield,1977
2. The Properties of Random Surfaces of Significance in their Contact;Whitehouse,1970
3. Random Process Model of Rough Surfaces;Nayak;Trans. ASME, J. Lub. Tech.,1971
4. Measurements of the Statistical Microgeometry of Engineering Surfaces;Sayles;Trans ASME, J. Lub. Tech.,1979