S. S.  Malwadkar, Bera, P., Hegde, M. S., and Satyanarayana, C. V. V., ?Preferential oxidation of CO on Ni/CeO2 catalysts in the presence of excess H-2 and CO2?, Reaction Kinetics Mechanisms and Catalysis, vol. 107, no. 2, pp. 405-419, 2012.