1. Filippov, D.A., Laletin, V.M., and Srinivasan, G., Tech. Phys., 2012, vol. 38, no. 1, p. 93.
2. Bichurin, M.I., Petrov, V.M., Filippov, D.A., et al., Magnitoelektricheskie materialy (Magnetoelectrical Materials), Moscow: Akad. estestvozn., 2006.
3. Okazaki, K., Tekhnologiya keramicheskikh materialov (Ceramic Materials Technology), Moscow: Energiya, 1976.
4. Gridnev, S.A. and Kalgin, A.V., Phys. Status Solidi B, 2010, vol. 247, no. 7, p. 1769.
5. Gridnev, S.A. and Kalgin, A.V., Phys. Solid State, 2009, vol. 51, no. 7, p. 1458.