http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
International Geological Congress 1989 : Washington, D.C.)
1 online resource (vi, 126 pages) : illustrations, maps
"Short course presented at the 28th International Geological Congress, Washington, D.C."
Includes bibliographical references (pages 121-126) and index.
Washington, D.C. : American Geophysical Union, ©1989