http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Premium pay provisions for weekend work in seven continuous-process industries, 1966
"Prepared in the Bureau's Division of Industrial and Labor Relations by Rose T. Selby"--Page iii.
United States. Bureau of Labor Statistics.
Bulletin of the United States Bureau of Labor Statistics ; 1480