1. Chandrasekhar, S., Liquid Crystals, 1977, Cambridge University Press, Cambridge.
2. Acierno, D., la Mantia, F. P., Polizzotti, G., Ciferri, A. and Valenti, B., Macromolecules, 1982,15, 1455.
3. Coles, H. J. and Simon, R., in Polymer Liquid Crystals, A. Blumstein, Ed., 1983, Plenum, New York, p. 351.
4. Talroze, R. V., Shibaev, V. P., Sinitzyn, V. V. and Plate, N. A., in Polymer Liquid Crystals, A. Blumstein, Ed., 1983, Plenum, New York, p. 331.
5. Mitchell, G. R. and Windle, A. H., Colloid Polym. Sci., 1982, 260, 754.