VACANCY DISTRIBUTION STUDIES AT MULTIPLE IONIZATION IN HIGH-ENERGY ION-ATOM COLLISIONS I. KÁDÁR, S. RICZ, D. VARGA, B. SULIK, J. VÉGH et D. BERÉNYI J. Phys. Colloques, 48 C9 (1987) C9-285-C9-288 DOI: 10.1051/jphyscol:1987950