1. Publication1258,Vol1,WRDCTechnicalReport90-3052.
2. Woodward, R.P., Hughes, C.E., Jeracki R.J., and Hughes, C.E. "Fan Noise Source Diagnostic Test- Acoustic Results",AIAA2002-2427.
3. Heidelberg,L.J."FanNoiseSourceDiagnosticTest-ToneModalStructureResults",AIAA-2002-2428.
4. Hughes, C.E., Podboy, G.C., Woodward, R.P., and Jeracki R.J. "The Effect of Bypass Nozzle Exit Area on Fan AerodynamicPerformanceandNoiseinaModelTurbofanSimulator",NASA/TM-2013-214029.