1. K.F. Herzfeld, T.A. Litovitz, Absorption and dispersion of ultrasonic waves, Acad.Press, NY (1959)
2. D. Sette, “Acoustic I”, Handbuch der Physik, S. Flugge Ed., Springer, Berlin (1961), Vol.11
3. J. Lamb, Thermal relaxation in liquids, Physical Acoustics, Vol.IIA, W.P. Mason Ed., Acad.Press (1965)
4. E.S. Stewart, J.L. Stewart, JASA, 35, 975 (1963)
5. K.G. Plass, Acustica, 19, 236 (1967/1968)