DISLOCATION MOTION IN VA METALS STUDIED BY INTERNAL FRICTION S. Okuda, H. Mizubayashi, N. Kuramochi, S. Amano, M. Shimada et H. Tatekawa J. Phys. Colloques, 42 C5 (1981) C5-67-C5-72 DOI: 10.1051/jphyscol:1981509