1. Monitoring and characterization of polyaromatic compounds in the environment
2. United States Environmental Protection Agency, Toxics criteria for those states not complying with the Clean Water Act section 303(c)(2)(B), 40 CFR 131.36, pp.531- 538, 1995.
3. Harvey, R. G., Polycyclic Aromatic Hydrocarbons, Wiley-VCH, New York, pp.8 - 11, 1997.