1. Gray G. W 1962Molecular Structures and Properties of Liquid Crystals(London and New York: Academic Press); DEMUS, D., GOODBY, J. W., GRAY, G. W., SPIESS, H.W., and VILL, V. (editors), 1998,Handbook of Liquid Crystals(Weinheim: Wiley)
2. See PLACE, N. A. (editor), 1992,Liquid Crystal Polymers(New York: Plenum Press) (translated from Russian); COLLYER, A. A. (editor), 1992,Liquid Crystal Polymers: from Structure to Application(Amsterdam: Elsevier); COLLINGS, P. J. (editor), 1997,Liquid Crystal Research(Oxford: University Press)
3. Gray G. W Goodby J. W 1999Smectic Liquid Crystals; Textures and Structures(Glasgow: Leonard Hill)
4. Stewart G. T 1974 inLiquid Crystals and Plastic Crystals, 308 edited by G. W. Gray and P. A. Winsor (Chichester: Ellis Horwood), p. 308; STEWART, G. T., 1959,Nature,183,873
5. Watson J. D Crick F. H. C 1953Nature,171,737; WILKINS, M. H. F., STOKES, A. R., and WILSON, H. R., ibid 740, FRANKLIN, R. and GOSLING, R. G., ibid 740; CAMPBELL, P. (editorial), ibid 2003 (supplement)