Sound propagation over uneven ground and irregular topography
Subtitle: semiannual status report
By: by Allan D. Pierce ... [et al.] ; submitted to National Aeronautics and Space Administration, Langley Research Center.
Contributors: Pierce, Allan D.; Langley Research Center.
Series: NASA contractor report -- NASA CR-179673.
Publisher: The Center; National Technical Information Service, distributor
Published: 1986
Place of publication: Hampton, Va; [Springfield, Va
Language: eng
Format: Microform
Subjects: Earth surface.; Sound propagation.; Surface roughness.; Topography.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1986] 1 microfiche.