1. Results from a U.K. inter-laboratory project on dry sliding wear;Almond;Wear,1987
2. Effects of test variables in wear testing of ceramics;Almond;Mater. Sci. Technol.,1988
3. H. Czichos, Design of friction and wear experiments, ASM Handbook 18 Friction, Lubrication and Wear Technology, The Materials Information Society, USA, 1992, pp. 480–488.
4. Statistica, 99 Edition, Kernel release 5.5, Statsoft Inc., Tulsa, USA.
5. J. Mandel, The statistical analysis of experimental data, Dover, New York, USA, 1984.