EXCITON LOCALIZATION BY COMPOSITIONAL FLUCTUATIONS IN II-VI SEMICONDUCTOR SOLID SOLUTIONS S. Permogorov, A. Reznitsky, S. Verbin, A. Naumov, W. von der Osten et H. Stolz J. Phys. Colloques, 46 C7 (1985) C7-173-C7-177 DOI: 10.1051/jphyscol:1985733