PROBLEMS WITH IPA LATTER TAIL POTENTIALS IN NEUTRAL AND IONIC PHOTOEFFECT CALCULATIONS Y. KUANG, R. H. PRATT, Y.-J. WU, J. STEIN, I. B. GOLDBERG et A. RONJ. Phys. Colloques, 48 C9 (1987) C9-527-C9-530DOI: https://doi.org/10.1051/jphyscol:1987986