1. K. Yoshino and T. Sakurai, in Ferroelectric Liquid Crystals: Principles, Properties and Applications, edited by J. W. Goodby, R. Blinc, N. A. Clark, S. T. Lagerwall, M. A. Osipov, S. A. Pikin, T. Sakurai, K. Yoshino and B. Zeks, Gordon and Breach, 1991, 317–363.
2. Hideo Takezoe and Yoichi Takanishi, in Chirality in Liquid Crystals, edited by Heinz-Siegfried Kitzerow and Christian Bahr, Springer, New York, 2001, 251–295.
3. L. Dupont, M. Glogarová, J. P. Marcerou, H. T. Nguyen, C. Destrade and L. Lejcek, J. Phys. II France 1:831–834, 1991.
4. N.A. Clark and S.T. Lagerwall, in Ferroelectric Liquid Crystals: Principles, Properties and Applications, J. W. Goodby, R. Blinc, N. A. Clark, S. T. Lagerwall, M. A. Osipov, S. A. Pikin, T. Sakurai, K. Yoshino and B. Zeks, editors, Gordon and Breach, 1991, 1–97; G. Andersson, I. Dahl, W. Kuczynski, S. T. Lagerwall, K. Skarp and B. Stebler, Ferroel. 84:285, 1988.
5. R. Pindak, in Solitons in Liquid Crystals, edited by Lui Lam and Jacques Prost, Springer, New York, 1992, 235–252.