1. Liquid Crystals, Natures Delicate Phase of Matter;Collins,1990
2. The Physics of Liquid Crystals;Gennes,1992
3. Introduction to the Physics of Liquid Crystals;Sonin,1984
4. Liquid Crystals;Chandrasekhar,1976
5. Methods of Investigations of Optical Properties of Liquid Crystals;Melankholin,1970