EVALUATION OF THE HUANG-RHYS FACTOR AND THE HALF-WIDTH OF THE F-BAND IN KCl AND NaCl CRYSTALS E. MULAZZI et N. TERZIJ. Phys. Colloques, 28 C4 (1967) C4-49-C4-54DOI: https://doi.org/10.1051/jphyscol:1967407