http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Weights and measures; 19th national conference of representatives from various States, held at Bureau of Standards, Washington, D.C., May 25, 26, 27, and 28, 1926
Series of annual reports presenting proceedings of National Conference on Weights and Measures. Reports include text of discussions, papers, and committee reports, some with data. Reports also include list of attendees.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.