1. For reviews, see (a) T. Saegusa, Chem. Tech. 5, 295 (1975).
2. T. Saegusa, S. Kobayashi, Y. Kimura, and H. Ikeda, J. Macromol. Sci. Chem. A-9, 641 (1975).
3. T. Saegusa and S. Kobayashi, International Review of Science, Physical Chemistry Series Two, Vol. 8. Macromolecular Science, Butterworth, London (1975).
4. T. Saegusa and S. Kobayashi, Encyclopedia of Polymer Science and Technology, Suppl. Vol. 1, John Wiley & Sons, New York (1976), p. 220.
5. T. Saegusa, S. Kobayashi, and Y. Kimura, Pure Appl. Chem. 48, 307 (1976).