V. S.  Kshirsagar, Vijayanand, S., Potdar, H. S., Joy, P. Alias, Patil, K. R., and Rode, C. V., ?Highly active nanostructured Co3O4 catalyst with tunable selectivity for liquid phase air oxidation of p-cresol?, Chemistry Letters, vol. 37, no. 3, pp. 310-311, 2008.

V. S.  Kshirsagar, Garade, A. C., Patil, K. R., Jha, R. Kumar, and Rode, C. V., ?Heterogeneous cobalt-saponite catalyst for liquid phase air oxidation of p-cresol?, Industrial & Engineering Chemistry Research, vol. 48, no. 21, pp. 9423-9427, 2009.