G. D. Zakumbaeva, L. B. Shapovalova, and A. A. Shurtbaeva, “Interaction Between Propylene and H2O over Ru-Co/SiO2 -Catalysts of Clusters Type. Communication 2”., Eurasian Chem.-Technol. J., vol. 2, no. 2, pp. 117–124, Jun. 2000.