Boca Rotan, Fla. : Florida Atlantic University, College of Engineering, Dept. of Ocean Engineering, Center for Acoustics and Vibrations ; Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1991]
Norfolk, Va. : Department of Mechanical Engineering and Mechanics, College of Engineering and Technology, Old Dominion University ; Hampton, Va. : National Aeronautics and Space Administration, Langley Research Center, [1989]
Burbank, Calif. : Lockheed-California Co. ; [Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1986
Mountain View, Calif. : Advanced Rotorcraft Technology, Inc. ; Moffett Field, Calif. : National Aeronautics and Space Administration Ames Research Center, [1985]