Chacha, J. S., and B. E. Conway. “Effects of Adsorbed Halide Ions on the Cyclic-Voltammetry Current-Potential Profiles for Pb Underpotential Deposition at Au”. Bulletin of the Chemical Society of Ethiopia, vol. 11, no. 1, Jan. 1997, pp. 31-46, doi:10.4314/bcse.v11i1.21011.