System for detecting objects that represent a threat
By: Guenther Riedl.
Contributors: United States. National Aeronautics and Space Administration.
Series: NASA technical translation -- NASA TT-20244.; NASA technical translation -- 20244.
Publisher: National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1988
Place of publication: Washington, DC; [Springfield, Va
Language: eng
Format: Microform
Subjects: Sound analyzers.; Detectors.
Notes: Distributed to depository libraries in microfiche.

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