1. Chemical additives;Molyneux,1967
2. C. M. Larson and R. Larson, Lubricant additives. Kap. 14 in J. J. O'Connor and J. Boyd, Standard Handbook of Lubrication Engineering, McGraw-Hill, New York.
3. On the mechanism of boundary lubrication. II. Wear prevention by addition agents;Beek,1940
4. Surface roughness effects on metallic contact and friction;Furey;Trans. ASLE,1963
5. The lubrication mechanism of tricresyl phosphate on steel;Godfrey;Trans. ASLE,1965