http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Would declaring Federal smog days reduce automobile travel in the Washington, D.C. area?
the results of a survey of travel by EPA employees on April 19, 1976
Results of a survey of travel by EPA employees on April 19, 1976
1 online resource (iii, 10 pages, 2 pages) : illustrations
Description based on print version record.
Washington : Environmental Protection Agency, Office of Policy Analysis, 1976