THE LOCAL STRUCTURE IN THE MIXED CHALCOPYRITE CuGax In1-xSe2 G. ANTONIOLI, S. BINI, P.P. LOTTICI et C. RAZZETTI J. Phys. Colloques, 47 C8 (1986) C8-431-C8-434 DOI: 10.1051/jphyscol:1986887