1. Piezoceramic Transducers, Handbook, Ed. by S. I. Pugashev (Sudostroenie, Leningrad, 1984), pp. 170–182 [in Russian].
2. Hydroacoustic Encyclopedy, Ed. by V. I. Timoshenko (Taganr. Gos. R. Univ., Taganrog, 1999), pp. 376–377, 599–601, 696–697.
3. S. I. Konovalov and A. G. Kuz’menko, Akust. Zh. 53, 285 (2007) [Acoust. Phys. 53, 245 (2007)].
4. I. V. Gerasimova, R. P. Pavlov, V. I. Pozern, and O. B. Stupak, in Proc. of the Inst. of Acoustic on Sonar Transducers and Numerical Modeling in Underwater Acoustics, London, Edenton, 21–22 March, 2005.
5. D. B. Dianov and B. G. Stepanov, Izv. LÉTI, Collected Vol. (LÉTI, Leningrad, 1983), No. 325, pp. 23–32 [in Russian].