Acoustical effects of a large ridge on low-frequency sound propagation in stationary and moving atmospheres
By: by J.S. Robertson ... [et al.].
Contributors: Robertson, J. S.; United States. National Aeronautics and Space Administration.
Series: NASA-CR -- 186001.; RPI math. rep -- no. 181.; NASA contractor report -- NASA CR-186001.; RPI mathematical report -- no. 181.
Publisher: Dept. of Mathematical Sciences, Renssalaer Polytechnic Institute
Published: 1990
Place of publication: Troy, NY
Language: eng
Format: Microform
Subjects: Acoustical engineering.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1990. 1 microfiche.