1. A. B. F. Duncan, Phys. Rev. 47, 822 (1935).PHRVAO0031-899X
2. A. D. Walsh and P. A. Warsop, Trans. Faraday Soc. 57, 345 (1961).TFSOA40014-7672
3. A. E. Douglas, Discussions Faraday Soc. 35, 158 (1963).DFSOAW0014-7664
4. K. Watanabe, J. Chem. Phys. 22, 1564 (1954).JCPSA60021-9606
5. J. R. McNesby and H. Okabe, Advan. Photochem. 3, 196 (1964).ADPCA20065-3152