http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Report of 23rd National Conference on Weights and Measures, attended by representatives from various States, held at Bureau of Standards, Washington, D.C., June 3, 4, 5, and 6, 1930
1 online resource (xvi+152+illus. pages)
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.