1. Becher, G. and Bjorseth, A. 1985.Handbook of Polycyclic Aromatic Hydrocarbons, Edited by: Bjorseth, A. and Ramdahl, T. Vol. 2, pp. 237–252. New York: Marcel Dekker Inc.
2. Bjorseth, A. and Becher, G. 1985.PAH in Work Atmospheres: Occurrence and Determination, pp. 105–113.5. Boca Raton, Florida: CRC Press Inc.