6. References
- W. J. Doane, Liquid Crystals Applications and Uses (World Scientific 1990), Vol. 1, Ed. B. Bahadur, Chapter 14, pp. 361
- U. S. Patent 4435047 (1984)
- N. A. Vaz, G. W. Smith, G. P. Montgomery, Mol. Cryst. Liq. Cryst., 146, 17, (1987)
- Norland Products, INC., New Brunswick, N. J. 08902
- P. Drzaic, Private Communication.