Citation: Knut Wassermann; Michael T. Pope (2001). Large Cluster Formation through Multiple Substitution with Lanthanide Cations (La, Ce, Nd, Sm, Eu, and Gd) of the Polyoxoanion [(B-\a-AsO3W9O30)4(WO2)4]28-. Synthesis and Structural Characterization. Inorganic Chemistry, 40, pp. 2763-2768.