[Ann Arbor, Mich.] : Environmental Protection Agency, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, Technology Assessment and Evaluation Branch, 1975.
1975
Doorlag, Mark.
[Ann Arbor, Mich.] : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Mobile Sources, Regulation Development and Support Division, Technology Evaluation and Testing Support Branch, 1993.
1993
Doorlag, Mark, author.
[Ann Arbor, Mich.] : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Mobile Sources, Regulation Development and Support Division, Technology Evaluation and Testing Support Branch, 1993.
1993