1. W. L. Fite and R. T. Brackmann,Atomic Collision Processes, edited by M. R. C. McDowell (North-Holland Publishing Company, Amsterdam, 1964), pp. 955–963.
2. J. C. Polanyi,Atomic and Molecular Processes, edited by D. R. Bates (Academic Press Inc., New York, 1962), p. 824.
3. Quoted in S. Glasstone, K. J. Laidler, and H. Eyring,The Theory of Rate Processes(McGraw-Hill Book Company, Inc., New York, 1941), p. 94.