Apisit Songsasen, Sornnarin Bangkedphol, and Pornpun Pornsinlapatip, “Synchronous Fluorescence Spectroscopic Technique: The Tool for Rapid Identification of Polycyclic Aromatic Hydrocarbons (PAHs) at Sub-ppm Level in Liquid Samples”, Agr. Nat. Resour., vol. 36, no. 3, pp. 301–311, Sep. 2002.