Torres, Myriam, author.
[Ann Arbor, Mich.] : Standards Development and Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, U.S. Environmental Protection Agency, July 1978.
1978-
Washington, D.C. : Mathematical Analysis Division, National Center for Statistics and Analysis, National Highway Traffic Safety Administration, U.S. Dept. of Transportation, [2005]
2005
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