SMALL-ANGLE NEUTRON SCATTERING STUDY OF IRREVERSIBLE PHOTOSTRUCTURAL EFFECTS IN OBLIQUELY DEPOSITED GeSe3 FILMS C.A. Spence et S.R. Elliott J. Phys. Colloques, 46 C8 (1985) C8-609-C8-612 DOI: 10.1051/jphyscol:1985897