Ingalls, Melvin N., author.
Ann Arbor, Michigan : Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, July 1981.
1981-
Glover, Edward L., author.
[Ann Arbor, Mich.] : Technical Support Staff, Emission Control Technology Division, Office of Mobile Sources, Office of Air and Radiation, U.S. Environmental Protection Agency, August 1989.
1989-
Brzezinski, David J., author.
[Ann Arbor, Mich.] : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Mobile Sources, Emission Control Technology Division, Technical Support Staff, 1985.
1985
Urban, Charles M. (Of the Southwest Research Institute, United States Environmental Protection Agency), author.
Ann Arbor, Michigan : Environmental Protection Agency, Office of Air, Noise, and Radiation, Emission Control Technology Division, May 1981.
1981-