1. S. D. Chuprov and N. E. Mal’tsev, Dokl. Akad. Nauk SSS. 257 (2), 475 (1981).
2. S. D. Chuprov, in Acoustics of the Ocean. State-of-the-Art, Ed. by L. M. Brekhovskikh and I. B. Andreeva (Nauka, Moscow, 1982), pp. 71–91 [in Russian].
3. G. A. Grachev, Akust. Zh. 39 (1), 67 (1993).
4. G. L. D'Spain and W. A. Kuperman, J. Acoust. Soc. Am. 106 (5), 2454 (1999).
5. Yu. V. Petukhov and E. L. Borodina, Acoust. Phys. 56 (6), 1050 (2010).