Subjective field study of response to impulsive helicopter noise /
Clemans A. Powell.
APA Citation
Powell, C. A., United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch., Langley Research Center. (1981). Subjective field study of response to impulsive helicopter noise. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch .
MLA Citation
Powell, Clemans A, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, and Langley Research Center. Subjective Field Study of Response to Impulsive Helicopter Noise. Washington, D.C.: National Aeronautics and Space Administration, Scientific and Technical Information Branch , 1981.
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