1. GREEN P D, `Current and Future Problems in Structural Acoustic Fatigue', AGARD-CP-549, Impact of Acoustic Loads on Aircraft Structures, May 1994.
2. PINKER R A, `A Brief Review of the Source Noise Technology Applicable to Fixed-Wing Military Aircraft', AGARD-CP-512, Combat Aircraft Noise, October 1991.
3. FISHER M J, HARPER-BOURNE M and GLEGG S A L, `Jet Noise Source Location: the Polar Correlation Technique', Journal of Sound and Vibration, vol.51, 1977.