Citation: Barnes, P.W.; Hriljac, J.A.; Lee Yong-Jae; Woodward, P.M.; Vogt, T. (2003). Pressure-induced cation migration and volume expansion in the defect pyrochlores A Nb W O6 (A = (N H4)(+), Rb(+), H(+), K(+)). Journal of the American Chemical Society, 125, pp. 4572-4579.