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Three-dimensionally ordered macroporous (3DOM) perovskite-type oxides EuFeO 3 (EFO-3DOM) and Eu 0.6 Sr 0.4 FeO 3 (ESFO-3DOM) were prepared by the citric acid-assisted polymethyl methacrylate-templating method. The physicochemical properties of the materials were characterized by means of numerous techniques. Catalytic activities of these porous samples were evaluated...