http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Weights and measures; 12th annual conference of representatives from various States, held at Bureau of Standards, Washington, D.C., May 21, 22, 23, and 24, 1919
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.