INVESTIGATION OF THE L NEAR-EDGE STRUCTURE IN CRYSTALLINE AND AMORPHOUS GaAs S. GUITA, E. BELIN, C. SENEMAUD, D. UDRON, A. GHEORGHIU et M.L. THEYE J. Phys. Colloques, 47 C8 (1986) C8-427-C8-430 DOI: 10.1051/jphyscol:1986886