EXPLOSIVE WELDING OF MULTIFILAMENTARY NbTi50-Cu COMPOSITE SUPERCONDUCTOR Zhang Xudong, Peng Wenan, Xiong Shougao et Ye Yongcai J. Phys. Colloques, 45 C1 (1984) C1-611-C1-614 DOI: 10.1051/jphyscol:19841124