1. I. Bela and J.P. Kennedy, private communication (1980)
2. H.C. Brown and N.H. Rei J. Org. Chem.31, 1090 (1966)
3. S.C. Feinberg and J.P. Kennedy Polym. Preprints,17, 797 (1976)
4. J.P. Kennedy, S.C. Feinberg and S.Y.Huang Polym. Preprints17, 194 (1976)
5. J.P. Kennedy, S.Y. Huang, and S.C. Feinberg J. Polym. Sci.15, 2801 (1977)