Citation: Laligant, Y; Calage, Y; Heger, G; Pannetier, J; Ferey, G (1989). Ordered Magnetic Frustration VII. Na~2~ Ni Fe F~7~: Reexamination of Its Crystal Structure in the True Space Group after Corrections from Renninger Effect and Refinement of Its Frustrated Magnetic Structure at 4.2 and 55 K. Journal of Solid State Chemistry, 78, pp. 66-77.