- Additional Authors
- Description
- 1 v.
- Series Statement
- NASA contractor report ; NASA CR-180644
- Subject
- Note
- Distributed to depository libraries in microfiche.
- Reproduction (note)
- Call Number
- READEX Microfiche NAS 1.26:180644
- OCLC
- marcive33035901
- Title
Sound propagation over uneven ground and irregular topography [microform] : semiannual status report no. 4 / by Yves H. Berthelot ... [et al.].
- Imprint
[Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1987]
- Series
NASA contractor report ; NASA CR-180644
- Reproduction
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1987] 1 microfiche.
- Added Author
Berthelot, Yves Henri.
United States. National Aeronautics and Space Administration.
- Gpo Item No.
0830-H-14 (MF)
- Sudoc No.
NAS 1.26:180644
- Research Call Number
READEX Microfiche NAS 1.26:180644