SIZE DEPENDENCE OF SODIUM AND LITHIUM CLUSTERS IONIZATION POTENTIALS Ph. DUGOURD, D. RAYANE, P. LABASTIE, B. PINTAR, J. CHEVALEYRE, M. BROYER, L. WÖSTE and J.P. WOLF J. Phys. IV France, 01 C7 (1991) C7-509-C7-512 DOI: 10.1051/jp4:19917134