http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Review and bibliometric analysis of published literature citing data produced by the Gap Analysis Program (GAP)
1 online resource (iii, 117 pages) : color illustrations.
Includes bibliographical references (pages 67-117).
U.S. Geological Survey open-file report ; 2013-1294