Thompson, Glenn D., author.
[Ann Arbor, Mich.] : Standards Development and Support Branch, Emission Control Technology Division, Office of Mobile Sources, Office of Air and Radiation, U.S. Environmental Protection Agency, [1984?]
1984
Loos, Suzanne L., author.
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, March 1983.
1983-
Tuckey, Kevin R., author.
[Ann Arbor, Michigan] : Technical Support Section, Certification Policy and Support Branch, Office of Mobile Source Air Pollution Control, U.S. Environmental Protection Agency, February 1981.
1981-
Ann Arbor, Michigan : U.S. Environmental Protection Agency, Office of Air, Noise, and Radiation, Office of Mobile Sources, Certification Division, Certification Policy and Support Branch, February 1983.
1983-