S. E.  Dapurkar, Kawanami, H., Chatterjee, M., Rode, C. V., Yokoyama, T., and Ikushima, Y., ?Selective catalytic oxidation of geraniol to citral with molecular oxygen in supercritical carbon dioxide?, Applied Catalysis A-General, vol. 394, no. 1-2, pp. 209-214, 2011.

V. R.  Choudhary and Dumbre, D. K., ?Solvent-free selective oxidation of primary alcohols-to-aldehydes and aldehydes-to-carboxylic acids by molecular oxygen over MgO-supported nano-gold catalyst?, Catalysis Communications, vol. 13, no. 1, pp. 82-86, 2011.

V. R.  Mate, Shirai, M., and Rode, C. V., ?Heterogeneous Co3O4 catalyst for selective oxidation of aqueous veratryl alcohol using molecular oxygen?, Catalysis Communications, vol. 33, pp. 66-69, 2013.