ON THE INTERNAL FRICTION IN ANTIMONY CAUSED BY UNPINNING OF OVERDAMPED AND UNDERDAMPED DISLOCATIONS P.P. Pal-Val, V.Ya. Platkov et V.I. Startsev J. Phys. Colloques, 42 C5 (1981) C5-259-C5-263 DOI: 10.1051/jphyscol:1981537