Citation: Tae-Soo You; Paul H. Tobash; Svilen Bobev (2010). Mixed Cations and Structural Complexity in (Eu1-xCax)4In3Ge4 and (Eu1-xCax)3In2Ge3-The First Two Members of the Homologous Series A2[n+m]In2n+mGe2[n+m] (n,m= 1, 2, ...\\infty; A = Ca, Sr, Ba, Eu, or Yb). Inorganic Chemistry, 49, pp. 1773-1783.