Structural Analysis of Poor Crystalline Ferrite Precursor, γ-FeOOH, Derived from Topotactic Hydrolysis of FeOCl J.-H. Choy, J.-B. Yoon and K.-S. Han J. Phys. IV France, 07 C1 (1997) C1-335-C1-336 DOI: 10.1051/jp4:19971134