1. Test Method for Determination of Surface Lubrication on Flexible Webs,1999
2. History of Tribology;Dawson,1979
3. Guide for Measuring and Reporting Friction Coefficients,1998
4. ANSI/ISO 5769, ANSI/NAPM IT9.4, For photography-Process Film—Method for Determining Lubrication, 1992.
5. Low-Temperature, Test Method for Torque of Ball Bearing Grease,2001