S. JOOHARI, M. MONTAZEROZOHORI, and S. ALIREZA MUSAVI, “Synthesis and Spectral Characterization of a Unsymmetrical Ligand, N,N’-Bis(4-fluorobenzylidene)propane-1,2-diamine and Its Zinc Complexes”, ajc, vol. 21, no. 5, pp. 3755–3762, Mar. 2010.