1. Intermolecular and surface forces, 2nd ed;Israelachvili,1992
2. Contact mechanics;Johnson,1985
3. Measurement of the deformation and adhesion of solids in contact
4. Solid and liquid junctions
5. Landman U., Luedtke, W.D., Ringerm E.M., Fundamentals of friction: macroscopic and microscopic processes. in North Atlantic Treaty Organization. Scientific Affairs Division. 1992. Dordrecht ; Boston: Kluwer Academic.