1. Friction and Wear of Plastics;Steijn,1978
2. The Friction and Lubrication of Solids;Bowden,1964
3. A Novel Tri-Pin-On-Disc Tribometer;Thorp
4. A Novel Tri-Pin-On-Disc Tribometer Designed to Retain Lubricants;Thorp;Tribology International,1981
5. Tri-Pin-On-Disc Tribometer Test Trials;Thorp;PEL Report No. 676,1980