1. Harada, K., and Fox, S. W., Nature, 194, 768 (1962).
2. Gott, A. D., and Bailar, jun., J. C., J. Amer. Chem. Soc., 74, 4820 (1952).
3. Sarma, B. D., and Bailar, jun., J. C., J. Amer. Chem. Soc., 78, 895 (1956).
4. Shibata, M., Fujita, Y., Naito, M., and Hori, K., Bull. Chem. Soc. Japan, 36, 485 (1963).
5. Fox, S. W., Johnson, J. E., Vegotsky, A., Science, 124, 923 (1956). Fox, S. W., J. Chem. Educ., 34, 472 (1957). Wald, G., Ann. N. Y. Acad. Sci., 69, 352 (1957). Harada, K., Protein Nucleic Acid, Enzyme (Tokyo), 6, 65 (1961); Nature, 200, 1201 (1963). Harada, K., and Fox, S. W., Naturwiss., 51, 106 (1964).