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 / by Joel Horowitz.
Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011. MiAaHDL
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Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212 MiAaHDL
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digitized 2011 HathiTrust Digital Library committed to preserve pda MiAaHDL