S.  Radhakrishnan and Adhikari, A., ?Role of dopant ions in electrocatalytic oxidation of methanol using conducting polypyrrole electrodes?, Journal of Power Sources, vol. 155, no. 2, pp. 157-160, 2006.

A.  Adhikari, Radhakrishnan, S., and Vijayan, M., ?Effect of the surface roughness of conducting polypyrrole thin-film electrodes on the electrocatalytic reduction of nitrobenzene?, Journal of Applied Polymer Science, vol. 125, no. 3, pp. 1875-1881, 2012.