Citation: Grey, I. E.; Mumme, W. G.; Ness, T. J.; Roth, R. S.; Smith, K. L. (2003). Structural relations between weberite and zirconolite polytypes - refinements of doped 3T and 4M Ca2Ta2O7 and 3T CaZrTi2O7 Sample: T = 123 K, 3T weberite-type structure. Journal of Solid State Chemistry, 174, pp. 285-295.