1. Kochervinsrii, V.V., Polymer Sci. A, 2008, vol. 50, no. 7, pp. 1407–1440.
2. Maksimov, A.V. and Maksimova, O.G., Polym. Sci. A, 2003, vol. 45, no. 9, pp. 1476–1468.
3. Petrova, T.O., Maksimova, O.G., Gerasimov, R.A., and Maksimov, A.V., Phys. Solid State, 2012, vol. 54, no. 5, pp. 937–939.
4. Buchtemann, A., Stark, W., and Kunstler, W., Vibrational Spectroscopy, 1993, vol. 4, pp. 231–237.
5. Kochervinskii, V.V. and Vasilevskii, O.I., Tezisy XVIII Vserossiiskoi konf. po fizike segnetoelektrikov (Proc. 18th All-Russian Conf. on Ferroelectrics Physics), St. Petersburg, 2008, p. 281.