Anelasticity of Polycrystalline Yttrium at Low Concentrations of H and O G. Cannelli, R. Cantelli, F. Cordero, F. Trequattrini et A. Sermoneta J. Phys. IV France, 06 C8 (1996) C8-39-C8-42 DOI: 10.1051/jp4:1996806