1. Saunders. J. “Slick SO Breaks Boundaries”, Lubricants World, pp. 27–31, May 1995.
2. Winfield, B., “Oil Additives: the Pitch is Slick but do they Work?”, letter to Car and Driver, p. 23, March 1994.
3. Colloidal Graphite in Assembly Lubrication;Smith;Engineering,1948
4. Middleton, K. “A Comparative Examination of Some Potential Inorganic Lubricants on the Shell Four-Ball Tester and on a Crossed-Cylinder Wear Machine”, Paper 7, I. Mech. E. Lubr. and Wear Convention, May 1964.
5. A Very Extreme-Pressure non-Lamellar Additive for Special Mechanical Designs;Arizmendi;Proc. I. Mech. E.,1973