1. Buckley, D.H. (1974) ASLE Trans. 17, 36; 17, 206.
2. Buckley, D.H. December (1973) NASA Technical Note, TN-D-7528.
3. Dorinson, A. and Ludema, K.C. (1985) “Mechanics and Chemistry in Lubrication,” Elsevier, Amsterdam Ch. 11, pg. 255.
4. Buckley, D.H. (1981) “Surface Effects in Adhesion, Friction, Wear and Lubrication,” Elsevier, Amsterdam.
5. Mould, R.W., Silver, H.B. and Syrett, R.J. (1973) Wear 26, 27.