1. C. Pugh and V. Percec, J. Polym. Sci., Polym. Chem. Ed., in press.
2. C. Pugh and V. Percec, Mol. Cryst. Liq. Cryst., in press.
3. D. Demus and L. Richter, “Textures of Liquid Crystals,” Verlag Chemie, Weinheim, 1978.
4. G.W. Gray and J.W. Goodby, “Smectic Liquid Crystals. Textures and Structures,” Leonard Hill, Glsgow, 1984.
5. Personal communication with M.E. Neubert of the Liquid Crystal Institute of Kent State University, Kent, Ohio.