Barth, Edward Anthony, author.
[Ann Arbor, Mich.] : Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Sources, U.S. Environmental Protection Agency, 1982.
1982
Jones, Gary T., author.
Ann Arbor, MI : Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Environmental Protection Agency, May 1981.
1981-
[Ann Arbor, Mich.] [U.S. Environmental Protection Agency, Office of Mobile Source Air Pollution Control, Emission Control Technology Division], 19th February 1981.
1981-