The catalytic activity of Ce-Hf, Ce-Hf-Mg mixed oxides and RuO2/HfO2 deposited on CeO2: Role of superoxide/peroxide in soot oxidation reaction. - Uppara, Hari Prasad; Singh, Sunit Kumar; Labhsetwar, Nitin Kumar; Murari, Mudiyaru Subrahmanya; Dasari, Harshini (Korean Journal of Chemical Engineering, 2021)