http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
United States standards of weights and measures
1 online resource (iii, 21 pages) : illustrations
Title from title screen (viewed on Mar. 22, 2012).
Includes bibliographical references and index.
United States standards of weights and measures, their creation and creators
Smithsonian studies in history and technology ; no. 40