http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
MOBILE6.1 particulate emission factor model technical description
Office of Transportation and Air Quality.
1 online resource (46 pages) : color illustrations
Edward L. Glover, Mitch Cumberworth, Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency.
Includes bibliographical references (pages 29-30).