1. Signature analysis methods and application for rotating machines;Braun,1977
2. On the extraction and filtering of signals acquired from rotating machines;Braun;Journal of Sound and Vibration,1979
3. Some useful data analysis techniques for gearbox diagnostics;Stewart;Application of Time Series Analysis, University of Southampton,1977
4. Adaptive filtering of broadband signals as applied to noise cancelling;Kaunitz;Ph.D. Dissertation, Standford University, Report SU-SEL-72-038,1972
5. Adaptive noise cancelling: Principles and application;Widrow,1975