EVIDENCE FOR SHORT Cu(I)-Cu(I) DISTANCES IN COPPER-EXCESS SPINELS FROM EXAFS S. BENAZETH, M. DANOT, P. COLOMBET, H. DEXPERT et P. LAGARDE J. Phys. Colloques, 47 C8 (1986) C8-777-C8-780 DOI: 10.1051/jphyscol:19868148