"J.T.Rijssenbeek,T. Saito,S.Malo,M. Azuma,M. Takano,K.R. Poeppelmeier","Effect of Explicit Cationic Size and Valence Constraints on the Phase Stability of 1:2 B-Site-Ordered Perovskite Ruthenates",,"J. Am. Chem. Soc.",,"Vol. 127","No. 2","Page 675-681",2005,May