http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tertiary and Quaternary Pectens of California
Subject series: C, Systematic geology and paleontology, 76.
Includes bibliographical references (pages 142-146).
Professional paper (Geological Survey (U.S.)) ; no. 47