http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 online resource (169 pages) : illustrations, chart, graphs
by John S. Dryzek, Richard B. Norgaard, and David Schlosberg.
Includes bibliographical references and index.
Oxford, England : Oxford University Press, c2013