S.  V. Kumar, Padmasri, A. H., Satyanarayana, C. V. V., I. Reddy, A. Kumar, B. Raju, D., and Rao, K. S. Rama, ?Nature and mode of addition of phosphate precursor in the synthesis of aluminum phosphate and its influence on methanol dehydration to dimethyl ether?, Catalysis Communications, vol. 7, no. 10, pp. 745-751, 2006.

T. V.  Sagar, Sreelatha, N., Hanmant, G., Surendar, M., Lingaiah, N., Rao, K. S. Rama, Satyanarayana, C. V. V., Reddy, I. A. K., and Prasad, P. S. Sai, ?Influence of method of preparation on the activity of La-Ni-Ce mixed oxide catalysts for dry reforming of methane?, RSC Advances, vol. 4, no. 91, pp. 50226-50232, 2014.