1. 2Beranek, L.L.,Noise Reduction. McGraw-Hill, New York, 1960.
2. 3Cockburn, J.A. and Jolly, A.C."Structural-Acoustic Response, Noise Transmission Losses and Interior Noise Levels of an Aircraft Fuselage Excited by Random Pressure Fields,'* U.S. Air Force Flight Dynamics Laboratory TR-68-2, 1968. A seminal contribution to modal analysis methods.
3. Noise or flutter or both?