Not distributed to depository libraries in a physical form.
"GAO-01-248."
Includes bibliographical references.
Available via Internet from the GPO Access Web site. Address as of 5-7-01: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=gao&docid=f:d01248.pdf; current access is available via PURL.