1. A theory for the Christiansen filter;Clarke;Applied Optics,1968
2. E.M. Voronkova, B.N. Grechushnikov, G.I. Distler, I.P. Petrov, in: Optical Materials for Infrared Technology, Nauka, Moscow, 1987, pp. 149–154 (in Russian)
3. Vibrational Spectroscopy of Liquid Crystals;Kirov,1984
4. Electrooptic Effects in Liquid Crystal Materials;Blinov,1994
5. Selective modulation of infrared radiation by an Al2O3 particles – liquid crystal system;Ibragimov;Journal of Applied Spectroscopy,2011