Mobile source observation database (MSOD)
Subtitle: user guide and reference
Publisher: Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency
Published: 2008
Place of publication: Washington, D.C.]
Language: eng
Number of pages: 189
Subjects: Air; Pollution; Data processing; Motor vehicles; Motors; Exhaust gas; Databases; Gasoline; Diesel fuels
Notes: Title from title screen (viewed on Jan. 08, 2013).

"November 2008."

"EPA420-B-08-017."