by Jensen P. Cheng, Larry C. Landman, Robert D. Wagner ; prepared by U.S. Environmental Protection Agency, Office of Air Noise, and Radiation, Office of Mobile Sources, Emission Control Technology Division, Control Technology Assessment and Characterization Branch
Ann Arbor, Michigan : U.S. Environmental Protection Agency, Office of Air, Noise and Radiation, Office of Mobile Sources, Emission Control Technology Division, Control Technology Assessment and Characterization Branch, May 1983