http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tertiary stratigraphy and paleontology, Chesapeake Bay Region, Virginia and Maryland
Chesapeake Bay Region, Virginia and Maryland, July 15-July 17
International Geological Congress 1989 : Washington, D.C.)
leaders: Lauck W. Ward and David S. Powars.
"28th International Geological Congress"--Cover.