THEORETICAL AND EXPERIMENTAL STUDIES OF THE STABILITY IN CVD Nb3Sn SUPERCONDUCTING COMPOSITE TAPES Zhang Qirui, Song Shengnian et Jiao Zhengkuan J. Phys. Colloques, 45 C1 (1984) C1-535-C1-539 DOI: 10.1051/jphyscol:19841109