Tsirlin, A.A.; Abakumov, A.M.; Ritter, C.; Henry, P.F.; Janson, O.; Rosner, H.: Short-range order of Br and three-dimensional magnetism in (CuBr) LaNb2O7. Physical Review B 85 (2012), p. 214427/1-16
10.1103/PhysRevB.85.214427