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Jin, E., He, L., zhang, Y., Richard, A. R., & Fan, M. (2014). A nanostructured CeO2 promoted Pd/α-alumina diethyl oxalate catalyst with high activity and stability. RSC Adv., 4(90), 48901–48904. doi:10.1039/c4ra08170f 
10.1039/C4RA08170F