1. Arrhenius G, Cheung K, Crane S, Fisk M, Frazer J, Korkisch J, Mellin T, Nakao S, Tsai A, Wolf G (1979) Counterions in marine manganates. Colloq Int CNRS 289:333?356
2. Blake RL, Hessevick RE, Zoltai T, Finger L (1966) Refinement of the hematite structure. Am Mineral 51:123?129
3. Bonnin D, Calas G, Suquet H, Pezerat H (1985) Sites occupancy of Fe3+ in Garfield nontronite: a spectroscopic study. Phys Chem Minerals 12:55?64
4. Bunker G (1983) Application of the ratio method of EXAFS analysis to disordered systems. Nucl Instrum Methods 207:437?444
5. Bunker G, Stern EA (1984) Experimental study of multiple scattering in x-ray absorption near-edge structure. Phys Rev Letters 52,22:1990?1993