Title from title screen (viewed on July 31, 2003). "June 2001." Paper version available from: General Accounting Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548. "GAO-01-778."
Includes bibliographical references.
System requirements: Adobe Acrobat Reader. Mode of access: Internet via the GPO Access web site. Address as of 7/31/03: http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=gao&docid=f:d01778.pdf; current access available via PURL.