http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Michael McCandless, Erik Hatcher, Otis Gospodnetić.
Previous edition: Lucene in action / Otis Gospodnetić, Erik Hatcher. 2005.
Includes bibliographical references (pages 465-468) and index.