Citation: Romero, S.; Mosset, A.; Trombe, J.-C. (1995). Synthesis, characterization and structure of two new families of mixed oxalates; [M(Ln(H2O)n](C2O4).H2O with M = Li, Ln = La...Gd, n=1 or M = Na, Ln = Ce...Nd, n = 2. European Journal of Solid State and Inorganic Chemistry, 32, pp. 1053-1063.