EXCITON MIGRATION AND LOCALISATION IN PURE INORGANIC SOLIDS J. R.G. Thorne, R. G. Denning, T. J. Barker et D. I. GrimleyJ. Phys. Colloques, 46 C7 (1985) C7-125-C7-128DOI: https://doi.org/10.1051/jphyscol:1985724