http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Specifications, tolerances, and other technical requirements for weighing and measuring devices
National Conference on Weights and Measures
National Institute of Standards and Technology (U.S.)
adopted by the National Conference on Weights and Measures.
Address: Supt. of Docs., U.S. Govt. Print. Off., Washington, DC 20402-9325.
Imprint varies: Washington, 1979-19 ; Gaithersburg, MD, <1997->
1987, adopted by the 71st National Conference on Weights and Measures, 1986.
Vols. for 1979-1989 issued by: U.S. Dept. of Commerce, National Bureau of Standards; 1990- by: U.S. Dept. of Commerce, National Institute of Standards and Technology.
Specifications, tolerances, and other technical requirements for commercial weighing and measuring devices