NEW MULTIFILAMENTARY SUPERCONDUCTING WIRES WITH FILAMENT OF Nb3Sn IN SITU WIRES F. Sumiyoshi, K. Funaki, Y. Akenaga, J. Chikaba, N. Mori et K. Yamafuji J. Phys. Colloques, 45 C1 (1984) C1-383-C1-386 DOI: 10.1051/jphyscol:1984177