1. M.C. Cross and P.C. Hohenberg, Rev. Mod. Phys.
65, 851 (1993).
2. P.G de Gennes and J. Prost, The Physics of Liquid Crystals, Clarendon Press, Oxford, 1993.
3. S. Chandrasekhar, Liquid Crystals, University Press, Cambridge, 1992.
4. Physical Properties of Liquid Crystals: Nematics, editors: D.A. Dunmur, A. Fukudaand G.R. Luckhurst, Inspec, London, 2001.
5. Pattern Formation in Liquid Crystals, editors: A. Buka and L. Kramer, Springer, New York, 1996.