1. Penney, D.G. Carbon Monoxide; CRC Press: New York, 1996.
2. Schlesinger, R.B. Nitrogen Oxides. In Environmental Toxicants; Lippmann, M., Ed.; Van Nostrand Reinhold: New York, 1992; pp 412–453.
3. Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans, Vol. 32, Polynuclear Aromatic Compounds, Part 1, Chemical, Environmental and Experimental Data; International Agency for Research on Cancer: Lyon, France, 1983.
4. Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans, Vol. 46, Diesel and Gasoline Engine Exhaust and Some Nitroarenes; International Agency for Research on Cancer: Lyon, France, 1989.
5. Hannigan, M.P.; Cass, G.R.; Lafleur, A.L.; Busby, W.F., Jr.; Thilly, W.G. Source Contribution to the Human Cell Mutagenicity of Urban Particulate Air Pollution; Environ. Sci. Technol. submitted for publication, 2001.