1. G. Herzberg, Infrared and Raman Spectra of Polyatomic Molecules (Van Nostrand, Princeton, 1945)
2. E.B. Wilson, J.C. Decius, P.C. Cross, Molecular Vibrations (McGraw-Hill, New York, 1955)
3. K. Nakamoto, Infrared and Raman Spectra of Inorganic and Coordination Compounds (Wiley, New York, 1997), 5th edn.
4. D.A. Long, The Raman Effect (Wiley, Chichester, 2002)
5. S.P. Best, R.J.H. Clark, R. Withnall, Endeavour 16, 66 (1992)