Air traffic control
United States General Accounti ...

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Edition Notes

Cover title.

Distributed to depository libraries in microfiche.

Shipping list no.: 92-2159-M.

"August 1991."

"GAO/IMTEC-91-49."

"B-234691"--P. 1.

Includes bibliographical references.

Microfiche. [Washington, D.C.] : U.S. General Accounting Office, [1992?] 1 microfiche : negative.

Other Titles
Voice communications system challenges continue.

The Physical Object

Format
Microform
Pagination
9 p.

ID Numbers

Open Library
OL16946045M
No ebook available

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History

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August 17, 2012 Edited by VacuumBot Updated format '[microform] :' to 'Microform'; cleaned up pagination; Removed author from Edition (author found in Work)
December 8, 2009 Edited by ImportBot link works
September 26, 2008 Created by ImportBot Initial record created, from Oregon Libraries MARC record.