1. M. W. Thompson, F. A. Waite, BP 1,096,912 (1967);
2. F. A. Waite, J. Oil Col. Chem. Assoc., 54, 342 (1971);
3. D. J. Walbridge in K. E. J. Barrett ed., “Dispersion Polymerization in Organic Media,” Chap.3, Wiley (1975).
4. K. Ito, S. Yokoyama, F. Arakawa, Y. Yukawa, T. Iwashita, Y.Yamasaki, Polyra. Bull., to be published.
5. R. Milkovich, M. T. Chiang, USP 3,786,116 (1974);