1. Krautkrämer, “Werkstoffprüfung mit Ultraschall”, Springer-Verlag Berlin, Heidelberg, New York, 1975
2. W.P. Mason, “Physical Acoustics” (W.P. Mason (Ed)), Vol.I–VIII, Academic Press, New York, 1966
3. A.V. Granato, K. Lücke, in “Physical Acoustics”, (W.P. Mason Ed.) Vol. IV/A, S 225ff, Academic Press, New York, 1966
4. R. Truell, C. Ellbaum, B.B. Chick, “Ultrasonic Methods in Solid State Physics”, Academic Press, New York, London, 1969
5. A.B. Bhatia, “Ultrasonic Absorption”, Clarendon Press, Oxford, 1967