De Pietro, Rocco, author.
[Ann Arbor, Mich.] : Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise, and Radiation, U.S. Environmental Protection Agency, 1981.
1981
Jones, Gary T., author.
[Ann Arbor, Mich.] : Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection Agency, 1981.
1981