SEARCH Articles Figures Tables Absorption of X-rays Absorption of iron Cluster absorption Cluster spectra Clusters of Iron Iron absorption Iron clusters Iron-sulfur Mossbauer X-ray absorption spectra Mossbauer absorption Mossbauer absorption spectra Mossbauer spectra cluster Mossbauer spectrum Ray Absorption Spectrum Ray Spectra Sulfur Absorption Sulfur cluster X spectra X-Ray absorption spectra of [ X-ray spectrum