http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Perspectives on fuel consumption and air contaminant emission rates by highway vehicles
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Mode of access: Internet from the Turner-Fairbank Highway Research Center web site. Address as of 9/24/02: http://www.tfhrc.gov/structur/pdf/01100.pdf; current access is available via PURL.