1. 1) Collings PJ, “Liquid Crystals”, Princeton University Press, 186 (1990).
2. 2) Iwayagi S, “Kagaku One Point Ekisyo”, Kyoritsu Syuppan, 117 (1984).
3. 3) Koide N, Sakamoto K, “Ekisyo Polymer”, Kyoritsu Syuppan (1988).
4. 4) Kamiya T, Shimizu T, “Ekisyo Polymer Shinjidai”, Kogyo Chosakai (1991).
5. 5) Matsumoto S, Kadota I, “Ekisyo no Kiso to Ouyo”, Kogyo Chosakai (1991).