http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Assessment of the geoavailability of trace elements from selected zinc minerals
1 online resource (viii, 78 pages) : illustrations (some color).
Includes bibliographical references (pages 70-75).
U.S. Geological Survey open-file report ; 2013-1309