http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Amendments to in-use testing for heavy-duty diesels, measurement and instrumentation, and off-highway engine regulations
Office of Transportation and Air Quality.
Title from title screen (viewed on Jan. 31, 2012).
Regulatory announcement (United States. Environmental Protection Agency. Office of Transportation and Air Quality)