http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Seguro social, cómo el trabajo afecta sus beneficios
Social security, how work affects your benefits. Spanish
Some issues also available via Internet from the SSA web site. Address as of 12/27/2000 : http://www.ssa.gov/espanol/10969.html ; current access available via PURL.
Social security, how work affects your benefits
Cómo el trabajo afecta sus beneficios de Seguro Social
Social Security Administration, Altmeyer Bldg., 6401 Security Blvd., Baltimore, MD 21235