1. Working Knowledge
2. I. C. Sage in Handbook of Liquid Crystals, Vol. 1: Fundamentals (Eds.: D. Demus, J. Goodby, W. Gray, H.-W. Spiess, V. Vill), Wiley-VCH, Weinheim, 1998, chap. 9.
3. D. Dunmur, K. Toniyama in Handbook of Liquid Crystals, Vol. 1: Fundamentals (Eds.: D. Demus, J. Goodby, W. Gray, H.-W. Spiess, V. Vill), Wiley-VCH, Weinheim, 1998, chap. 7.
4. , X-Rays and Crystal Structure, G. Bell and Sons, London, 1915.
5. Cholesteric Liquid Crystals for Color Information Technology