Syria, Stanley L., 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
Verrelli, Leonard D., author.
[Ann Arbor, Mich.] : Power Systems Section, Test and Evaluation Branch, Environmental Protection Agency, September 1972.
1972-