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2. Introduction to Liquid crystals;Gleeson,1998
3. Liquid Crystals: Physical Properties and Nonlinear Optical Phenomena;Khoo,1995
4. P. Klysubun, Nonlinear Optical Studies of Dye-Doped Nematic Liquid Crystals, Dissertation for the Degree of Doctor of Phylosophy in Physics, Virginia, 2002, p. 150.
5. Spectroscopic measurement of liquid crystal anisotropy in the ultraviolet/visible region