1. Theoretical Basis of Organic Chemistry;Ingold,1973
2. Absorption and Fluorescence of Aromatic Compounds;Nurmuhametov,1971
3. Handbook of Fluorescence Spectra of Aromatic Molecules;Berlman,1971
4. N.I. Nijegorodov, PhD Dissertation, Moscow Friendship University, 1979.
5. V. Zvolinsky, D.Sc. Dissertation, Moscow Friendship University, 1994.