Citation: Goutenoire, F; Caignaert, V; Hervieu, M; Michel, C; Raveau, B (1995). Chemical twinning of the rock salt structure: Ca Tl2 O4 and Ca2 Tl2O5, the first two members of the new series Can Tl2 On+3. Journal of Solid State Chemistry, 114, pp. 428-434.