1. Koenig, J. L., Appl. Spectrosc., 1975, 29, 293.
2. Coleman, M. M. and Painter, P. C., in: Application of Polymer Spectroscopy, E.G. Brame, Ed., 1978, Academic Press, New York, p. 61.
3. D’esposito, L. and Koenig, J.L., in: Fourier Transform Infrared Spectroscopy. Applications to Chemical Systems-1, J. R. Ferraro and L. J. Basile, Eds, 1978, Academic Press, New York, p. 61.
4. Coleman, M.M. and Painter, P. C., Proc. Fifth European Symposium on Polymer Spectroscopy, D.O. Hummel, ED., 1979, Verlag Chemie, Weinheim, p. 49.
5. Holland-Moritz, K., ibid., p. 93.