Washington, D.C. : General Accounting Office, [1994]
Physical Details
15 pages : illustrations ; 28 cm
OCLC
ocm32136741, ocm30834895, ocm50053530
Cover title.
"July 1994."
"GAO/NSIAD-94-209."
"B-257743"--P. 1.
Includes bibliographical references.
Also available via Internet from the GPO Access web site. Address as of 6/25/02: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=gao&docid=f:ns94209.txt; current access is available via PURL.
Microfiche. Springfield, Va. : National Technical Information Service, 1994. 1 microfiche : negative.