Helicopter acoustics : proceedings of an International Specialists Symposium sponsored by the American Helicopter Society, Washington, D.C. ; the U.S. Army Research Office, Durham, North Carolina ; and the Langley Research Center, Hampton, Virginia, and held at Langley Research Center, May 22-24, 1978.
| Corporate Authors: | , , , |
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| Format: | Government Document Conference Proceeding Book |
| Language: | English |
| Published: |
[Washington] : Springfield, Va. :
National Aeronautics and Space Administration, Scientific and Technical Information Office ; For sale by the National Technical Information Service,
1978.
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| Series: | NASA conference publication ;
2052. |
| Subjects: |
| Physical Description: | 2 pts. : illustrations ; 27 cm. |
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| Bibliography: | Includes bibliographical references. |