1. 1Lan, J. H., Guo, Y., and Breard, C. "Validation and Application of Two Frequency Domain Acoustic Propagation Codes," AIAA 2003-3244.
2. 2Heidmann,M.F.,Saule,A.V.,andMcArdle,J.G."AnalysisofRadiationPatternsofInteractionTonesGeneratedby Inlet Rods in the JT15D Engine," AIAA 79-0581.
3. 3McArdle,J.G.,Jones,W.L.,Heidelberg,L.J.,andHomyak,L."Comparisonof SeveralInflowControlDevicesforFlight Simulation ofFan Tone Noise Using a JT15D-1 Engine," AIAA 80-1025.
4. 4Heidelberg, L. J., Rice, E. J., and Homyak, L. "Acoustic Performance of Inlet Suppressors on an Engine Generating a Single Mode," NASA TM-82697 or AIAA 81-1965.
5. Finite Element-Integral Acoustic Simulation of JT15D Turbofan Engine