BEHAVIOUR OF MULTIFILAMENTARY Nb-Ti CONDUCTORS WITH VERY FINE FILAMENTS UNDER A.C. MAGNETIC FIELDS P. Dubots, A. Février, J.C. Renard, J.C. Goyer et Hoang Gia Ky J. Phys. Colloques, 45 C1 (1984) C1-467-C1-470 DOI: 10.1051/jphyscol:1984195