1. Interfacial Cohesion;Greenough,1968
2. Friction and wear in machines: The motionless friction between two rough surfaces;Kragelskii;Izd. An. SSSR,1948
3. The static coefficient of friction and the area of contact;Parker,1950
4. Elastic deformation and the laws of friction;Archard,1957
5. Theory of friction of polymers;Huffington;Research (London),1959