1. ; ; ; ; Submitted to Acta Chimica for publication (1986).
2. : The infrared spectra of complex molecules, London: Chapman and Hall, 1979
3. (a) : The infrared spectra of complex molecules, London: Chapman and Hall, 1979 p. 205;
4. (b) : The infrared spectra of complex molecules, London: Chapman and Hall, 1979 p. 270;