1. J. W. S. Rayleigh, The Theory of Sound (Macmillan, London, 1896; Gostekhizdat, Moscow, 1955), Vol. 2.
2. I. B. Crandall, Theory of Vibrating Systems and Sound (Van Nostrand, New York, 1927; VÉTA, Leningrad, 1934).
3. M. A. Isakovich, General Acoustics (Nauka, Moscow, 1973) [in Russian].
4. T. H. Melling, J. Sound Vibr. 29(1), 1 (1973).
5. A. W. Guess, J. Sound Vibr. 40(1), 119 (1975).