1. V. P. Sakhnenko, N. V. Dergunova, and L. A. Reznichenko, Energy Crystal Chemistry of Solid Solutions of Oxygen-Octahedral Type and Modeling of Piezoceramics (Rostov State Pedagogical University, Rostov-on-Don, 1999) [in Russian].
2. M. Dawber, K. M. Rabe, and J. F. Scott, Rev. Mod. Phys. 77, 1083 (2005).
3. J. F. Scott, Science (Washington) 315, 954 (2007).
4. V. M. Mukhortov and Yu. I. Yuzyuk, Heterostructures Based on Nanosized Ferroelectric Films: Production Properties and Applications (Southern Science Center, Russian Academy of Sciences, Rostov-on-Don, 2008) [in Russian].
5. S. Gevorgian, Ferroelectrics in Microwave Devices, Circuits and Systems (Springer, London, 2009).