1. Wear Debris Analysis;Roylance,1999
2. Machinery Oil Analysis: Methods, Automation and Benefits;Toms,1998
3. Engineering Condition Monitoring;Barron,1996
4. Comparison of vibration and direct reading ferrographic techniques in application to high-speed gears operating under steady and varying load conditions;Mathew;J. Soc. Tribol. Lubr. Eng.,1987
5. Vibration and lube oil analysis in an integrated predictive maintenance program;Maxwell,1997