THE SPECTRAL DENSITY FUNCTIONS OF THE ADSORPTION SYSTEM K-/112/W AN ATTEMPT OF SURFACE DIFFUSION INVESTIGATION J. Beben, Ch. Kleint et R. Meclewski J. Phys. Colloques, 45 C9 (1984) C9-13-C9-16 DOI: 10.1051/jphyscol:1984903