1. Design and fabrication of prototype system for early warning of impending bearing failure;Broderick;NASA CR 123717,1972
2. Resonant structure techniques for bearing fault analysis;Burchill,1973
3. New machinery health diagnostic techniques using high-frequency vibration;Burchill;Society of Automotive Engineers Paper 730930,1973
4. Applications of high frequency resonance techniques for bearing diagnostics in helicopter gearboxes;Darlow;U.S. Army Air Mobility Research and Development Laboratory, USAAMRDL-TR-74-77,1974
5. Early detection of defects in rolling-element bearings;Darlow;Society of Automotive Engineers Paper 750209,1975