1. Demus , D. ( 1971 ). In:Applications of Liquid Crystals, Springer Verlag; (1976).Non-Emissive Electro-Optic Displays, Knetz, A. R. & Von Willison, F. K. (Eds.), Plenum Press, 94.
2. Goodby , J. W. Blinc , R. Clark , N. A. Lagerwall , S. T. Osipov , S. A. Pikin , S. A. Sakurai , T. Yushino , Y. & Zeks, B. ( 1991 ). In:Ferroelectric Liquid Crystals, Principles , Properties and Applications, Gordon & Breach, (Eds.), Philadelphia.
3. Walba , D. M. Rago , J. A. Clark , N. A. & Shao, R. ( 1992 ). In:Macromolecular Guest-Host Complexes and Optoelectronic Properties and Applications, Janekhe, A. (Ed.), Pittsburg Material Research Society,227, 205.
4. deVries, A. ( 1977 ). In: Abstracts of 5th Intl. Liqd. Cryst. Conference, Stockholm, Brown, G. H. 150 (1974);ibid. Mol. Cryst. Liq. Cryst. Lettr., 42, 27; (1980).Advances in Liquid Crystal Research and Applications, Bata, L. (Ed.), Pergamon Press: Oxford, 71.