1. Technique of surface examination using friction measurements;Huffington;Nature,1963
2. A study of the microtopography of some surfaces by means of a friction technique;Huffington,1964
3. A study of the relation between friction and surface microtopography;Huffington,1965
4. Physics of non-destructive testing;Tolansky;Brit. J. Appl. Phys.,1957
5. The Friction and Lubrication of Solids;Bowden,1964