INVESTIGATION OF ELECTROMAGNETIC FIELDS AT A ROUGH Ag SURFACE BY DIFFERENTIAL REFLECTOMETRY OF Cu AND Al ADSORBATES T. López-Ríos, Y. Borensztein et G. Vuye J. Phys. Colloques, 44 C10 (1983) C10-353-C10-356 DOI: 10.1051/jphyscol:19831071