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(en) K. Ståhl, T. Balic-Zunic, F. da Silva, K. M. Eriksen, R. W. Berg, R. Fehrmann, « The crystal structure determination and refinements of K2S2O7, KNaS2O7 and Na2S2O7 from X-ray powder and single crystal diffraction data » dans Journal of Solid State Chemistry178, 1697-1704, (2005). DOI10.1016/j.jssc.2005.03.022