1. Z. R. Ismagilov, V. V. Kuznetsov, L. B. Okhlopkova, L. T. Tsikoza, and S. A. Yashnik, Oxides of Titanium, Cerium, Zirconium, Yttrium, Aluminium: Properties, Application, and Synthesis Methods [in Russian], Izd. SO RAN, Novosibirsk (2010).
2. V. K. Ivanov, O. S. Polezhaeva, and Yu. D. Tret′yakov, Russ. J. Gen. Chem., 80, No. 3, 604 (2010).
3. T. G. Kuznetsova and V. A. Sadykov, Kinet. Catal., 49, No. 6, 886 (2008).
4. G. Nahar and V. Dupont, Renewable Sustainable Energy. Rev., 32, 777 (2014).
5. R. Perez-Hernandez, A. Gutierrez-Martınez, and J. Palacios, IJHE, 36, 6601–6608 (2011).