1. Polanyi, M., Atomic Reactions (Williams and Norgate, London, 1932).
2. A useful review is given by Trotman-Dickenson, A. F., Gas Kinetics, 212 (Butterworths, London, 1955).
3. Magee, J. L., J. Chem. Phys., 8, 687 (1940).
4. A review is given by Herschbach, D. R., in Advances in Chemical Physics, 8, edit. by Ross, J., and Prigogene, I. (Interscience, New York, 1965).
5. Lovelock, J. E., and Gregory, N. L., in Gas Chromatography, edit. by Brenner, N., Callear, J. E., and Weiss, M. D. (Academic Press, New York, 1962).