http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an analysis of the cost-effectiveness of reducing particulate matter emissions from heavy-duty diesel engines through retrofits
Office of Transportation and Air Quality.
Compliance and Innovative Strategies Division.
1 online resource (iii, 32 pages) : digital, PDF file.
Title from title screen (viewed July 12, 2010).
Include bibliographical references (page 32).