RESTITUTION OF SURFACE PROFILES FROM MICRODENSITOMETER ANALYSIS OF ELECTRON MICROGRAPHS OF SURFACE REPLICAS G. Rasigni, M. Rasigni, F. Varnier, J.P. Palmari and A. Llebaria J. Phys. Colloques, 44 C10 (1983) C10-367-C10-370 DOI: 10.1051/jphyscol:19831074