http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
planned and edited by J.L. Oncley, editor-in-chief [and others] for the Biophysics and Biophysical Chemistry Study Section of the National Institutes of Health, Public Health Service, U.S. Dept. of Health, Education, and Welfare.