1. A.V. Granato, K. Lücke, in “Physical Acoustics” (W. P. Mason, Ed.), Vol. IV a, p. 266 ff., Academic Press, (New York 1966).
2. A. Seeger, P. Schiller, in “Physical Acoustics” (W.P. Mason, Ed.), Vol. III a, Chap. 8, Academic Press, (New York 1966).
3. D. O. Thompson, V. Paré, in “Physical Acoustics” (W. P. Mason, Ed.), Vol. III a, Chap. 7, Academic Press, (New York 1966).
4. D. H. Niblett, in “Physical Acoustics” (.P. Mason, Ed.), Vol. III a, Chap. 3, Academic Press (New York 1966).
5. K. Lücke, J. Schlipf, in “The Interactions between Dislocations and Point Defects” (B.L. Eyre, Ed.) Vol. 1, p. 118, AERE-Rep.-5944, Harwell (1968).