1. Patton R.J. & Willcox S.W. ‘A Comparison of two Techniques of IFD based on a Non-Linear Stochastic Model of an Aircraft’ Proceedings of the 7th IFAC/IFORS Symposium on Identification & System Parameter Estimation, York, England, July 3–7 1985.
2. Patton R.J. & Willcox S.W. ‘A Parameter Insensitive Technique for Aircraft Sensor Fault Analysis Using Eigenstructure Assignment and Analytical Redundancy’, Paper No. 86–2029-CP, Proceedings of the AIAA Guidance, Navigation and Control Conference, Williamsburg, Virginia, USA August 1986.
3. Willsky A.S. ‘A Survey of Design Methods for Failure Detection in Dynamic Systems’, Automatica 12, pp601–611, 1976.
4. Clark R.N. ‘A Simplified Instrument Failure Detection Scheme’, IEEE Trans AES-14, pp558–563, 1978.
5. Clark R.N. ‘The Dedicated Observer Approach to Instrument Failure Detection’ Proceedings 18th IEEE CDC Conference, pp237–241, 1979.