Electrochemical reduction of goethite in the solid state : a topotactic process yielding an oriented-texture iron powderG. Djega-Mariadassou, G. Picard, M. Billon and B. TremillonJ. Chim. Phys., 78 (1981) 229-232DOI: https://doi.org/10.1051/jcp/1981780229