1. Ed. Ellis Horwood Series in Physical Chemistry: Liquid Crystals and Plastic Crystals, G. W. Gray, P. A. Winsor, Halsted, New York, 1974.
2. H. Finkelmann in “Polymer Liquid Crystals”, Ed. A. Cifferi, W. R. Krigbaum and R. B. Meyer, Academic Press Inc., New York, 1982.
3. B. Hahn, J. H. Wendorff, M. Portugall, H. Ringsdorf, Colloid and Polymer Sci. 259, 875 (1981).
4. H. Finkelmann, H. J. Kock and G. Rehage, Mol. Cryst. Liqu. Cryst. 000, 000 (1982) in press.
5. H. Finkelmann, B. Luhmann and G. Rehage, Colloid and Polymer Sci. 56, 260 (1982).