http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Barite nodules in Devonian shales and mudstones of western Virginia
by Sandra H.B. Clark and Elwin L. Mosier.
"Barite nodules in western Virginia"--P. [4] of cover.
Includes bibliographical references (pages 27-30).