1. Singh R, Zedda M, Gulati A. Advanced aircraft-engine condition monitoring. Aircraft technology engine yearbook 1999–2000.
2. Kanelopoulos K, Stamatis A, Mathioudakis K. Incorporating neural networks into gas-turbine performance diagnostics. ASME 97-GT-35, 1997.
3. Doel DL. Gas-path analysis—problems and solutions. Symposium of Aircraft Integrated Monitoring Systems, Bonn, Germany, 21–23 September 1993.
4. TEMPER;Doel;Journal of Engineering for Gas Turbines and Power,1994
5. Urban LA, Kos JM, Perkins ML. Multiple gas-path analysis applied to a twin spool, mixed flow, variable geometry, turbofan engine. Report HSER 6794, Hamilton Standards, Connecticut.