1. Journal of Chromatography Library;K. Unger,1979
2. Scott, R.P.w.Silica Gel and Bonded Phases, Wiley and Sons, Chichester,1993.
3. Forster, R.Organic Charge-Transfer Complexes, Academic Press, London,1996.
4. Person, W.B.; Mulliken, R.S.Molecular Complexes, Wiley and Sons, New York,1969.
5. Forster, R.Molecular Association, Academic Press, London,1979.