Authors: Samira A. Barghouthi and Abdalla M.WalwilJournal Name: Res. J. Chem. EnvironVolume: 13Issue: 4Pages From: 68To: 72Date: Monday, December 7, 2009Keywords: Fluorescence, catacondensed, naphthalene, anthracene, phenanthrene, acidine, triphenylene