Realization of high $T_{\rm c}$ DC SQUID$_{\rm S}$. Characterization on a broad range of temperature C. Dolabdjian, D. Robbes, C. Gunther, M. Lam Chok Sing, R. Desfeux and D. Bloyet J. Phys. III France, 4 4 (1994) 621-625 DOI: 10.1051/jp3:1994151