Sound propagation over uneven ground and irregular topography
Subtitle: semiannual status report no. 7
By: by Yves H. Berthelot ... [et al.].
Contributors: Berthelot, Yves Henri.; United States. National Aeronautics and Space Administration.
Series: NASA-CR -- 182956.; NASA contractor report -- NASA CR-182956.
Publisher: [National Aeronautics and Space Administration
Published: 1988
Place of publication: [Washington, DC]
Language: eng
Format: Microform
Subjects: Acoustic surface waves.; Sound.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1988. 1 microfiche.