Citation: Ling, C. D.; Schmid, S.; Thompson, J. G.; Withers, R. L.; Sterns, M. (1996). Synthesis and structure refinement of a new type of layered intergrowth phase: Sb~3+x~Nb~3{-~x}TiO~14~ and Sb~3+x~Ta~3{-~x}TiO~14~. Acta Crystallographica Section B, 52, pp. 932-938.