1. Experimental Investigation Into Trailing Edge Noise Sources
2. 2UlrichW.Ganz,PaulD.Joppa,TimothyJ.Patten,andDanielF.Scharpf,"Boeing18-InchFanRigBroadbandNoiseTest,"NASA/CR-1998-208704, Sep. 1998.
3. Fan Noise: A Challenge to CAA
4. 4David A. Topol, Clint L. Ingram, and Michael J. Larkin,"Advanced Subsonic Technology (AST) 22-Inch Low Noise Research Fan Rig Preliminary Design of ADP-TypeFan 3,"NASA/CR-2004-212718,