EXAFS STUDIES OF THERMOSTRUCTURAL AND PHOTOSTRUCTURAL CHANGES OF VAPOR-DEPOSITED AMORPHOUS As2S3 FILMS C.Y. YANG, J.M. LEE, M.A. PAESLER and D.E. SAYERS J. Phys. Colloques, 47 C8 (1986) C8-387-C8-390 DOI: 10.1051/jphyscol:1986876