Cince, Ibrahim, and Ali Riza Ozkaya. “Electrochemical Reduction and Oxidation of Copper, Lead Complex and Metal-Free Phthalocyanine”. Asian Journal of Chemistry 23, no. 3 (November 16, 2010): 983–991. Accessed July 9, 2024. https://asianpubs.org/index.php/ajchem/article/view/16074.