http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Demonstrating benefits of wellhead protections programs
prepared by Mark B. Williams and Bruce A. Fenske ; sponsored by Awwa Research Foundation.
System requirements: Acrobat Reader 5.0 or higher.
Includes bibliographical references (pages 83-86).