Penninga, Thomas J., author.
[Ann Arbor, Mich.] : Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, U.S. Environmental Protection Agency, 1981.
1981
[Ann Arbor, Mich.] : Technology Assessment and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Environmental Protection Agency, November 1975.
1975-
McCargar, James A., author.
[Ann Arbor, Mich.] : Emission Planning and Strategies Division, Office of Mobile Sources, Office of Air and Radiation, U.S. Environmental Protection Agency, September 1992.
1992-
McCargar, James A., 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, 1990.
1990
Lorang, Philip A., 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, 1987.
1987