Mode of access: Internet from the SSA web site. Address as of 4/6/07: http://www.ssa.gov/OACT/NOTES/pdf%5Fstudies/study118.pdf; current access is available via PURL.
Note
Title from title screen (viewed on Apr. 6, 2007).
Period of study: 1975-2004--Foreword.
"June 2005."
GPO Cataloging Record Distribution Program (CRDP).