S. Gudić, E. E. Oguzie, A. Radonić, L. Vrsalović, I. Smoljko, and M. Kliškić, “Inhibition of copper corrosion in chloride solution by caffeine isolated from black tea”, Maced. J. Chem. Chem. Eng., vol. 33, no. 1, pp. 13–25, May 2014.