EVIDENCE OF NONLINEAR DISLOCATION MOTION IN INTERNAL FRICTION EXPERIMENTS H.-J. KAUFMANN, P. P. PAL-VAL, V. M. CHERNOV et D. A. KAMAJEVJ. Phys. Colloques, 48 C8 (1987) C8-113-C8-117DOI: https://doi.org/10.1051/jphyscol:1987813