1. E. g., E. W. R. Steacie, Atomic and Free Radical Reactions ( Reinhold Publishing Company, New York, 1954 ).
2. R. G. W. Norrish and G. Porter, Nature 164,658 (1949); cf. R. G. Norrish and B. A. Thrush, Quart. Revs. (London) 10, 149 (1956).
3. N. Slagg and R, A. Marcus (unpublished results), presented in part at the 132nd National Meeting of the American Chemical Society, New York City (1957); cf. R. A. Marcus, Can. J. Chem. 36, 102 (1958).
4. G. K. Oster and R. A. Marcus, J. Chem. Phys. 27, 189 (1957).
5. G. K. Oster and R. A. Marcus, J. Chem. Phys. 27, 472 (1957).