1. Hydroacoustic Encyclopedy, Ed. by V. I. Timoshenko (Taganr. Gos. R. Univ., Taganrog, 1999), pp. 75–77 [in Russian].
2. B. G. Stepanov, Acoust. Phys. 55, 417 (2009).
3. B. G. Stepanov, Acoust. Phys. 56, 753 (2010).
4. B. G. Stepanov, in Collection of Papers of the II L.M. Brekhovskhikh School-Seminar Held Jointly with the XXI Session of the Russian Acoustical Society (Moscow: GEOS, 2009), pp. 403–406.
5. V. B. Malakhov and B. G. Stepanov, Izv. LETI, No. 407, 96 (1989).