Growth of Suzuki-like occlusions in KCl : Pb analysed by means of photoluminescence and absorption spectra P. G. Bertoldi, R. Capelletti, F. Fermi, M. Manfredi et V. J. Graveris J. Phys. Colloques, 41 C6 (1980) C6-367-C6-370 DOI: 10.1051/jphyscol:1980694