Citation: Zhang, Zhaoming; Howard, Christopher J.; Knight, Kevin S.; Lumpkin, Gregory R. (2006). Structures of the cation-deficient perovskite Nd~0.7~Ti~0.9~Al~0.1~O~3~ from high-resolution neutron powder diffraction in combination with group-theoretical analysis. Acta Crystallographica Section B, 62, pp. 60-67.