Citation: Zouari, N.; Daoud, A.; Mhiri, T.; Lebraud, E.; Gravereau, P. (2000). Crystal structure and Rietveld refinement using X-ray powder diffraction data of two potassium and ammonium - samarium condensed phosphates: K Sm H P3 O10 and N H4 Sm H P3 O10. International Journal of Inorganic Materials, 2, pp. 379-387.