Citation: Carvajal, J.J.; Aguilo, M.; Garcia-Munoz, J.L.; Sole, R.; Gavalda, J.; Massons, J.; Diaz, F. (2003). Selective dstribution of dopants among M O6 octahedra in Rb Ti0.927 Nb0.056 Er0.017 O P O4 : a neutron diffraction study. Journal of Solid State Chemistry, 171, pp. 257-261.