1. Stockmayer, W. H., Makromol. Chem., 35, 54 (1960).
2. Flory, P. J., Principles of Polymer Chemistry, chapter 12 (Cornell Univ. Press, Ithaca, 1953).
3. Kirste, R. G., Kruse, W. A., and Schelten, J., Die Makromoleculare Chemie, 162, 299 (1973).
4. Cotton, J. P., Farnoux, B., Jannink, G., Mons, J., and Picot, C., C.r. hebd. Séanc. Acad. Sci. Paris, 275, 3C, 175 (1972).
5. Zimm, B. H., J. chem. Phys., 16, 1093 (1948).