http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Status report on standardization of radionuclides in the United States
Standardization of radionuclides in the United States
Preparation sponsored by the Subcommittee on Beta and Gamma Ray Measurements and Standards of the Committee on Nuclear Science, Division of Physical Sciences, National Research Council.
Publication (National Research Council (U.S.)) ; no. 270