1. T. S. Kê:Phys. Rev.,71, 533 (1947).
2. Ample literature may be found inH. Gleiter andB. Chalmers:Progress in Materials Science, Vol.16 (London, 1972);R. De Batist:Internal Friction of Structural Defects in Crystalline Solids (Amsterdam, 1972);A. S. Nowick andB. S. Berry:Anelastic Relaxation in Crystalline Solids (New York, N. Y., 1972).
3. P. Gondi, R. Tognato andE. Evangelista:High-temperature relaxation peaks in dispersion-hardened SAP alloys, to be published inPhys. Stat. Sol., a33 (1976).
4. M. Williams andG. M. Leak:Acta Met.,15, 1111 (1967).
5. T. S. Lundy andJ. F. Murdock:Journ. Appl. Phys.,33, 1671 (1962).