Size-dependent light emission from mass-selected clusters M.-H. Schaffner, F. Patthey, U. Heiz, W.-D. Schneider, O. Kuffer, H.-V. Roy, P. Fayet, J. K. Gimzewski and R. Berndt Eur. Phys. J. D, 2 1 (1998) 79-82 Published online: 15 April 1998 DOI: 10.1007/s100530050114