Method and device for the detection and identification of a helicopter
By: Hans Siebecker.
Contributors: United States. National Aeronautics and Space Administration.
Series: NASA technical translation -- NASA TT-20251.; NASA technical translation -- 20251.
Publisher: National Aeronautics and Space Administration
Published: 1988
Place of publication: Washington, DC
Language: eng
Format: Microform
Subjects: Physics.
Notes: Distributed to depository libraries in microfiche.

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