THE BEHAVIOUR OF Al/Pb PROXIMITY SANDWICHES AS A FUNCTION OF TEMPERATURE AND NORMAL LAYER THICKNESS L. Van den Dries, C. Van Haesendonck and Y. Bruynseraede J. Phys. Colloques, 39 C6 (1978) C6-1245-C6-1246 DOI: 10.1051/jphyscol:19786550