Washington, D.C. : The Office ; Gaithersburg, MD (P.O. Box 6015, Gaithersburg 20884-6015) : The Office [distributor], [1997]
Physical Details
19 pages : illustrations ; 28 cm
OCLC
ocm38483661
Cover title.
Distributed to depository libraries in microfiche.
"July 1997."
"GAO/NSIAD-97-159."
"B-272656"--P. 1.
Also available via Internet from the GPO Access web site. Address as of 06/13/01: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=gao&docid=f:ns97159.pdf; current access is available via PURL.