J, S., and K. M. “Linearly Adsorbed Carbon Monoxide at Polycrystalline Copper in Aqueous Phosphate Buffered Solution: The Influence of Anions, Temperature and PH”. Malaysian Journal of Science, vol. 20, no. 1, Apr. 2001, pp. 71-76, http://mojes.um.edu.my/index.php/MJS/article/view/8779.