Spark-ignition engine emission deterioration factors for the draft NONROAD2004 emissions model / Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency
Title from PDF title screen (viewed on March 30, 2015). "EPA420-P-04-011." "NR-011b." "April 2004."
Bibliography Note
Includes bibliographical references (pages 12-13).
Action Note
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