Carey, Penny M., author.
Ann Arbor, Mich. : U.S. Environmental Protection Agency, Office of Air, Noise and Radiation, Office of Mobile Sources, Emission Control Technology Division, Technical Support Staff, 1983.
1983
Atlanta, GA : Agency for Toxic Substances Disease Registry, Division of Toxicology and Environmental Medicine, Dept. of Health and Human Services, Public Health Service, [2008]
2008