1. J.W. Cooper, Spectroscopic Techniques for Organic Chemists, Chapters 1 and 2, Wiley, New York (1991).
2. L.J. Bellamy, The Infrared Spectra Of Complex Molecules, Vol. 1, 3rd edn., Chapman and Hall, London (1975).
3. L.J. Bellamy, The Infrared Spectra of Complex Molecules, Vol 2, 2nd edn., Chapman and Hall, London (1980).
4. R.M. Silverstein, G.C. Bassler and T.C. Morrill, Spectrophotometric Identification of Organic Compounds, 5th edn, Chapter 3, Wiley, New York (1991).
5. N.B. Colthup, L.H. Daly and S.E. Wiberley, Introduction to Infrared and Raman Spectroscopy, Academic Press, New York (1975).