Killackey, J., author.
Ann Arbor, Michigan : U.S. Environmental Protection Agency, Office of Air and Water Programs, Office of Mobile Source Air Pollution Control, Alternative Automotive Power Systems Division, 1973.
1973
Barth, Edward Anthony, author.
[Ann Arbor, Mich.] : Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Environmental Protection Agency, 1980.
1980