1. K. F. Herzfeld, Discussions Faraday Soc. 33, 22 (1962).DFSOAW0014-7664
2. R. L. Taylor, M. Camac, and R. M. Feinberg, Symp. Combust. 11th, Berkeley, Calif. 1966 (to be published), Preprint.
3. C. B. Moore, B. B. Hu, J. T. Yardley, and R. E. Wood, Bull. Am. Phys. Soc. 11, 897 (1966).BAPSA60003-0503
4. G. Herzberg, Infrared and Raman Spectra of Polyatomic Molecules, (D. Van Nostrand Co., Inc., New York, 1945), pp. 81, 215–218, 272–276.
5. The opposite case is discussed in K. F. Herzfeld, “Theory of Relaxation Times” in Dispersion and Absorption of Sound by Molecular Processes, D. Sette, Ed. (Academic Press Inc., New York, 1965), International School of Theoretical Physics, “Enrico Fermi” Course XXVII.