SILVER IN PHOTODOPED ARSENIC SULFIDE FILMS : AN EXAFS STUDY A. T. STEEL, A. P. FIRTH, A. E. OWEN, P. EWEN et G. N. GREAVESJ. Phys. Colloques, 47 C8 (1986) C8-395-C8-398DOI: https://doi.org/10.1051/jphyscol:1986878