Aeroacoustics, fan noise and control, duct acoustics, rotor noise : technical papers from AIAA 2nd Aero-acoustics Conference, March 1975, subsequently revised for this volume /
AIAA Aero-acoustics Conference2nd1975Hampton, Va.
Schwartz, Ira R.
Nagamatsu, Henry T.
Strahle, Warren C.
American Institute of Aeronautics and Astronautics.
New York American Institute of Aeronautics and Astronautics Cambridge, Mass. London M.I.T. Press
1976
Includes index
Helicopters.
Rotors (Helicopters)