ENERGY BARRIER BETWEEN SELFTRAPPED AND DELOCALIZED EXCITON STATES IN QUASI ONE-DIMENSIONAL TETRACYANOPLATINATES ( I I) G. Gliemann, W. Holzapfel et H. Yersin J. Phys. Colloques, 46 C7 (1985) C7-129-C7-133 DOI: 10.1051/jphyscol:1985725