Photoionization of argon, krypton and xenon clusters in the inner valence shell region R. Thissen, P. Lablanquie, R. I. Hall, M. Ukai and K. Ito Eur. Phys. J. D, 4 3 (1998) 335-342 Published online: 15 December 1998 DOI: 10.1007/s100530050217