Title from title screen (viewed on July 21, 2004). Distributed to depository libraries in microfiche (shipping list no: 1993-0171-M). Paper version available from: U.S. General Accounting Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548. "GAO/PEMD-10.1.2."
Includes bibliographical references.
Mode of access: Internet from GAO web site. Address as of 7/21/04: http://archive.gao.gov/t2pbat6/146601.pdf; current access available via PURL.