EFFECT OF IMPURITIES ON THE INTERNAL FRICTION SPECTRUM OF MAGNESIUM AFTER PLASTIC DEFORMATION S.M. Seyed Reihani, C. Esnouf, G. Fantozzi and G. Revel J. Phys. Colloques, 42 C5 (1981) C5-145-C5-150 DOI: 10.1051/jphyscol:1981522