Citation: Sergey V. Chernov; Yuri A. Dobrovolsky; Sergey Ya. Istomin; Evgeny V. Antipov; Jekabs Grins; Gunnar Svensson; Nadezhda V. Tarakina; Artem M. Abakumov; Gustaaf Van Tendeloo; Sten G. Eriksson; Seikh M. H. Rahman (2012). Sr2GaScO5, Sr10Ga6Sc4O25, and SrGa0.75Sc0.25O2.5: a Play in the Octahedra to Tetrahedra Ratio in Oxygen-Deficient Perovskites. Inorganic Chemistry, 51, pp. 1094-1103.