Citation: Squattrito, P.J.; Rudolf, P.R.; Jorgensen, J.D.; Clearfield, A.; Hinson, P.G.; Volin, K. (1988). Sodium and oxygen disorder in a scandium-substituted Nasicon: A time-of-flight neutron powder diffraction study of Na2.5 Zr1.8 Sc0.2 Si1.3 P1.7 O12. Solid State Ionics, 31, pp. 31-40.