1. Y. Matsunaga, Canad. J. Chem.,38, 323 (1960).
2. V. V. Benderskii, B. Ya. Kogan, V. F. Gachkovskii, and I. A. Shlyapnikova, Collection:?Carbochain High-Molecular Compounds? [in Russian],?Nauka,? (1963), p. 253.
3. V. V. Pen'kovskii and V. S. Kuts, ZhTKh,1, 254 (1965).
4. F. M. Schimmel and F. W. Heineken, Physica,23, 781 (1957).
5. A. A. Berlin, V. A. Vonsyatskii, and L. S. Lyubchenko, Izv. AN SSSR, Ser. Khim.,1964, 1184.