http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
prevalence and trends by occupation and industry categories
Substance Abuse and Mental Health Services Administration.
ix, 145 pages, 26 unnumbered pages ; 28 cm.
by John P. Hoffmann, Angela Brittingham, Cindy Larison.
"Developed by the National Opinion Research Center (NORC) ... under contract number 283-94-0002"--Title page verso.
Also available via Internet through FTP and the SAMHSA web page. Address as of 12/2/2002: http://www.samhsa.gov/oas/ftp/nhsda/worker.wpd; current access via PURL