1. Friction and Wear;Straffelini,2015
2. pag 156-166;Lubrication of Rolling Bearings,2013
3. Friction Science and Technology: from Concepts to Applications;Blau,2009
4. The R0F+ Methodology for Grease Life Testing;Lugt,2013
5. Lubricant Testing - Focusing on Mechanic-Dynamical Tests;Klüber Lubrication,2017