Thermotropic liquid crystals Structural classification of liquid crystals A.J. Leadbetter Liquid crystal behaviour in relation to molecular structure K.J. Toyne Materials requirements for nematic and chiral nematic electro optical displays I. Sage Materials requirements for smectic liquid crystal displays D. Coates Thermochromic cholesteric liquid crystals D.G. McDonnell Liquid crystal polymers H. Finkelmann