Citation: Hatert, F.; Hermann, R. P.; Long, G. J.; Fransolet, A. M.; Grandjean, F. (2003). An X-ray Rietveld, infrared, and Mossbauer spectral study of the NaMn(Fe1-xInx)2(PO4)3 alluaudite-type solid solution Sample: x = 0.25, NaMnFe1.5In0.5(PO4)3. American Mineralogist, 88, pp. 211-222.