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
Brzezinski, David J., author.
[Ann Arbor, Mich.] : Emission Control Technology Division, Office of Mobile Sources, Office of Air and Radiation, U.S. Environmental Protection Agency, October 1985.
1985-