http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Office of Transportation and Air Quality.
1 online resource (352 pages) : color illustrations, color maps.
Title from title screen (viewed on Dec. 14, 2011).
Includes bibliographical references (pages 343-352).
United States. Environmental Protection Agency. Office of Transportation and Air Quality.