1. United States Environmental Protection Agency, EPA/540/1-86/013 (1984).
2. Candeli, A.; Morozzi, G.; Paolacci, A.; Zoccolillo, L.Atmos. Environ. 1975,9, 843.
3. Pedersen, P.S.; Ingwersen, J.; Nielsen, T.; Larsen, E.Environ. Sci. Technol. 1980,14, 71.
4. Menichini, E. Polycyclic aromatic hydrocarbons: identity, physical and chemical properties, analytical methods. ISTISAN 94/5, ISSN 0391-1675 (1994).
5. Vasilescu, E.M.; Medvedovici, A.; Dumitrescu, V.Rev. Roum. Chim. 1998,43, 5, 473.