SUPERCONDUCTING PROPERTIES OF Nb-Ti-Ta CABLES WITH DIFFERENT CHEMICAL COMPOSITIONS G. Rondelli, E. Olzi, G.P. Turisini and C. Ferdeghini J. Phys. Colloques, 45 C1 (1984) C1-433-C1-436 DOI: 10.1051/jphyscol:1984189