PROPERTIES OF NbTi50 SUPERCONDUCTING COMPOSITE WIRE Zhou Lian, Li Chengren, Wu Xiaozu, Zhou Nong, Zhang Tingjie et Wang KeguangJ. Phys. Colloques, 45 C1 (1984) C1-437-C1-440DOI: https://doi.org/10.1051/jphyscol:1984190