http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Tier 3 gasoline sulfur standard's impact on gasoline refining
Office of Transportation and Air Quality,
United States Environmental Protection Agency, Office of Transportation and Air Quality.
Title from title screen (viewed on Oct. 2, 2014).
Regulatory announcement (United States. Environmental Protection Agency. Office of Transportation and Air Quality)