Penninga, Thomas J., 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
National Risk Management Research Laboratory (U.S.)
[Research Triangle Park, NC] : United States Environmental Protection Agency, Research and Development, National Risk Management Research Laboratory, [2001]
2001