STUDY OF THE LOCAL STRUCTURE IN POORLY-ORDERED PRECURSORS OF IRON OXI-HYDROXIDES J. M. COMBES, A. MANCEAU et G. CALASJ. Phys. Colloques, 47 C8 (1986) C8-697-C8-701DOI: https://doi.org/10.1051/jphyscol:19868131