STUDY OF THE BEHAVIOUR OF THE MAGNETIC DOMAIN WALLIS IN Fe-C BY INTERNAL FRICTION AND MAGNETIC MEASUREMENTS J. DEGAUQUE, B. ASTIÉ, J.M. LOPEZ, J.P. REDOULÈS et J. GARIGUE J. Phys. Colloques, 48 C8 (1987) C8-423-C8-428 DOI: 10.1051/jphyscol:1987864