1. Intensity Theory for Infrared Spectra of Polyatomic Molecules;Gribov,1964
2. G. Zerbi, M. Gussoni, S. Abbate and P. Jona, in W. B. Person and G. Zerbi (Eds.), Vibrational Intensities, Infrared and Raman Spectroscopy, Elsevier, Amsterdam, Ch. 15.
3. Characterization of the CH bond in hydrocarbons by infrared intensities