CORE-LEVEL PHOTOELECTRON AND X-RAY-ABSORPTION SPECTROSCOPY OF FREE ARGON CLUSTERS - SIZE-DEPENDENT ENERGY SHIFTS AND DETERMINATION OF SURFACE ATOM COORDINATION
O. Bjorneholm et al., CORE-LEVEL PHOTOELECTRON AND X-RAY-ABSORPTION SPECTROSCOPY OF FREE ARGON CLUSTERS - SIZE-DEPENDENT ENERGY SHIFTS AND DETERMINATION OF SURFACE ATOM COORDINATION, Physical review letters, 74(15), 1995, pp. 3017-3020