Edgerton, Stephen W., author.
Research Triangle Park, NC : Emission Standards Division, Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency, November 1990.
1990-
Lorang, Philip A., author
[Ann Arbor, Mich.] : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Mobile Sources, Emission Control Technology Division, Technical Support Staff, 1984.
1984
Research Triangle Park, North Carolina : Air Quality Strategies and Standards Division, U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, April 1996.
1996-