A SIMPLE QUALITATIVE DETERMINATION OF JOSEPHSON TUNNEL JUNCTION PARAMETERS NEAR THE TRANSITION TEMPERATURE N.F. Pedersen, J. Mygind, O.H. Soerensen et B. Dueholm J. Phys. Colloques, 39 C6 (1978) C6-1232-C6-1233 DOI: 10.1051/jphyscol:19786544