Citation: Josefina Perles; Carlos Fortes-Revilla; Enrique Guti\'errez-Puebla; Marta Iglesias; M. \'Angeles Monge; Caridad Ruiz-Valero; Natalia Snejko (2005). Synthesis, Structure, and Catalytic Properties of Rare-Earth Ternary Sulfates. Chemistry of Materials, 17, pp. 2701-2706.